suppose 400 different researchers all randomly select samples of 800 individuals from a population. each researcher uses his or her sample to compute a 95% confidence interval for the proportion that has blue eyes in the population. about how many of the confidence intervals will cover the population proportion?

{30,40,50} data set has the greatest sample standard deviation.

Statistics is the science concerned with developing and studying methods for collecting, analyzing, interpreting and presenting empirical data.

The formula for Standard deviation is

σ=√∑(x-µ)²/n

µ is the mean.

For data set: {102,105, 108}

Mean=105

S.D=√∑(102-105)²+(105-105)²+(108-105)²/3

=√9+9/3=√18/3=√9×2/3=3√2/3=√2

For data set: {55,60,65}

Mean=60

S.D=√∑(55-60)²+(60-60)²+(65-60)²/3

=√25+25/3=5√2/3

For data set: {120,121,122}

Mean=121

S.D=√(120-121)²+(121-121)²+(122-121)²/3

=√1+1/3=√2/3

For data set: {30,40,50}

Mean=40

S.D=√(30-40)²+(40-40)²+(50-40)²/3

=√200/3

=10√2/3

Hence, {30,40,50} data set has the greatest sample standard deviation.

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If Anova is used in a research study using two therapy groups , then there will be 6 different sample means , the correct option is (d) .

In the question ,

it is given that ,

Anova is used in a research study using two therapy groups ,

for each group , scores will be taken

(i) before the therapy,

(ii) right after the therapy, and (iii) one year after the therapy.

that means ,

the number of therapies group = 2 and

the number of times the measurement is taken is = 3 .

So , the number of sample means is = 2 × 3 = 6 .

Therefore , there will be 6 different sample means .

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Answer: 64 ounces

Step-by-step explanation:

Let's start with what we know:
1 pound = 16 ounces, so

4 pounds would equal

64 ounces!

Answer:

64 oz

Step-by-step explanation:

1lb =16oz so you multiply 16 by 4 and you get 64

Answer:

Answer =6/100

=3/50

hope it's help uhh

The total number of leaves the tree has is :

19 where  the degrees of the non-leaf vertices are 10, 7, 4, and 4.

Given:

a tree contains some number of leaves (degree 1 vertices) and four non-leaf vertices.

the degrees of the non-leaf vertices are 10, 7, 4, and 4.

how many leaves does the tree have = ?

The degree of the non leaf vertices are 10, 7, 4, 4

let the number of leaves be = k

So the tree has 4+k vertices.

and hence (4+k)-1 edge ⇒ 3+k

so ∑ deg(v) = 10+7+4+4+1k

                   = 25+k

and 2[E(T)] = ∑ deg(v)

2(3+k) = 25+k

6 + 2k = 25+k

2k-k = 25-6

k = 19

Hence the number of leaves the tree have is 19.

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Answer:

Translation, then reflection. E

Step-by-step explanation:

E is correct because 1 and 2 have a reflection meanwhile number 3 has a translation.

Mia's is the mother of the daughter of the mother of Mia's daughter.

What is athematic?

Athematic is a type of language that does not use inflectional morphology. This means that words do not change their form to indicate different aspects of meaning, such as tense, person, number, gender, case, and mood. Instead, the meaning of a sentence is conveyed through the use of different words and word order. Many languages, such as English, Chinese, and Japanese, are athematic. Additionally, some languages, such as Russian, have both athematic and inflectional forms.

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Complete Question:
_____ is the mother of the daughter of the mother of Mia's daughter.
A) Mia
B) Emely
C) Tena
D) Anna

The equation of the line passing through point P(4,-6) and perpendicular to the line y = -3 is x = 4.

A number that identifies the direction and steepness of a line is its slope or gradient. The slope of the straight line is written as y=mx+c where m is the slope and c is the y-intercept.

Given the equation of a line is y = -3 and point P(4,-6).

From the given equation, we can say that y is a horizontal line. The line perpendicular to this horizontal line will be a vertical line. The equation of the line perpendicular to y is of the form x = n where n is the x-coordinate of the point passing through this line.

Here, the x-coordinate is 4 from the point (4,-6). Then, the required line is x=4.

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Answer:

247.7 cm³

Step-by-step explanation:

V = πr²h

V = 3.14159 × (3.2 cm)² × 7.7 cm

V = 247.70808 cm³

Answer: 247.7 cm³

Linear equation , quadratic equation and polynomial equation are the three types of equation.

1. Linear Equations: These equations have one or more variables and can be written in the form of y = mx + b, where m is the slope and b is the y-intercept.

2. Quadratic Equations: These equations have one variable and can be written in the form of ax^2 + bx + c = 0, where a, b and c are constants.

3. Polynomial Equations: These equations have one or more variables and can be written in the form of a polynomial, such as ax^n + bx^n-1 + ... + c = 0, where a, b, c, and n are constants.

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k'(4, -7)

L'(9, -7)

M'(6, -5)

N'(5, -5) are the new coordinates of the vertices.

Coordinates of a point:

A point's coordinates are a pair of numbers that pinpoint where it is precisely on a two-dimensional plane.

Remember that the x and y axes are two axes that are at right angles to one another and make up the coordinate plane.

A particular point's coordinates show how far along each axis it is situated.

The coordinate's sign is crucial. A positive number indicates moving upward or to the right (x) (y).

Negative numbers indicate turning left (x) or falling (y).

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The required value of PQ is 18.5 inches in the given triangle PQR.

A right triangle is defined as a triangle in which one angle is a right angle or two sides are perpendicular.

As per the given question, let's call the length of side PR (the hypotenuse). Since we know that PR = 37 inches and angle R = 30°, we can use the sine rule to write the following equation:

sin R = perpendicular/hypotenuse

sin R = PQ/PR

sin 30° = PQ/37  

1/2 = PQ/37  

PQ = 37/2

Apply the division operation, and we get

PQ = 18.5

Therefore, the required value of PQ is 18.5 inches.

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In a triangle PQR, right-angled at Q, PR = 37 inches and angle R =

30°. Find: PQ

1. y = 2x + 3

2. y = x^2 + 5x - 3

3. y = -2x^2 + 7x – 4

are the 3 examples of equation with y intercept.

1. The first example is a linear equation, which has the form of y = mx + b, where m is the slope and b is the y-intercept.

2. The second example is a quadratic equation, with the form of y = ax^2 + bx + c, where a, b, and c are coefficients.

3. The third example is also a quadratic equation, with the form of y = ax^2 + bx + c, where a, b, and c are coefficients.

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The integer in the solution set will make the equation true is 7.

The integer is a whole number which can be negative or positive or zero, they are written in fraction formate.

Given is an equation, 6x − 8 = 2(2x + 3)

Checking for x = -2, we get,

LHS = -2x6 - 8 = -12-8 = -20

RHS = 2(-2x3+3) = 2(-4+3) = 2x-1 = -2

LHS ≠ RHS

Checking for x = 0, we get,

LHS = 6x0-8 = -8

RHS = 2(2x0+3) = 2x3 = 6

LHS ≠ RHS

Checking for x = 7, we get,

LHS = 6x7-8 = 42-8 = 34

RHS = 2(2x7+3) = 2x17 = 34

LHS = RHS

Therefore, when x =7, both the expressions are equal.

Hence, the equation is true for the x =7

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Unit Rate: 3

11 movie tickets: $33

Step-by-step explanation:

$24/8 = 3

The unit rate is 3

3 x 11 = $33

$33 for 11 movie tickets

The group of all possible dependent values that a function or relation can produce from its domain values is known as its range. It consists of every potential output.

In the given question we have to explain what is range in relation and function.

The range refers to all the entities (output) that result from a relation or function. The Range set is made up of all used output values (dependent values).

The group of all possible dependent values that a function or relation can produce from its domain values is known as its range. It consists of every potential output.

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Answer: y=1/2x+3

Step-by-step explanation:

y-0=1/2(x+6) : point-slope

x-2y=-6 : standard

Answer:

Step-by-step explanation: Plug coordinates into y=ax+b

Simultaneous equations

0=-6a+b

7=8a+b

so 7=14a

a=0.5

Then b=3

So y=0.5x+3

The first thing he should do is to define the problem to be researched and determine his data needs.

scenario (plural scenarios) a description of the storyline of a play or book. The actual screenplay, as well as any related treatments or outlines. An example of an expected or alleged series of events, expressed as an outline or model.

Intentionally casual, unfinished, and incomplete narrative depictions of significant use circumstances occurring throughout time are called scenarios. A usage scenario describes how someone might use a present system or product. The utilization of a system or product that is currently being developed is described in a design scenario.

The first thing he should do is to define the problem to be researched and determine his data needs.

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The equation the line perpendicular to the line given is y = -x/4+2

The slope of a line is a number that describes both the direction and the steepness of the line.

Given that, a line is perpendicular to y = 4x + 8 and passes through (−8, 4).

The equation of general line is; y = mx+c, where m is the slope.

We know that, two lines perpendicular to each other will have slope negative reciprocal of each other.

Therefore, the slope of the asked line is -1/4

Finding for c,

4 = -1/4x(-8)+c

c = 4-2

c = 2

Therefore, equation will be; y = -x/4 +2

Hence, The equation the line perpendicular to the line given is y = -x/4+2

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The probability that a customer chosen at random holds a Visa card, given that the customer holds an American Express card, is 40/500 = 0.08.

The number of possible outcomes is divided by the total number of possible outcomes to determine probability. Odds are not the same as probability. Odds are calculated by dividing the chance of a given event by the probability that it won't.

Information on possibility of occurrence is provided by probability. For instance, meteorologists can forecast the likelihood of rain by looking at weather patterns. Probability theory is utilized in epidemiology to comprehend how exposures and the risk of health impacts are related.

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The given statement is true, multicollinearity exists when a variable is correlated to other variables.

What is multicollinearity ?

Correlations between two or more independent variables in a multiple regression model can be referred to as multicollinearity. When a researcher or analyst tries to figure out how well each independent variable can be utilized to predict or comprehend the dependent variable in a statistical model, multicollinearity can result in skewed or misleading conclusions.

When two or more explanatory variables in a multiple regression model have strong linear relationships with one another but not with the dependent variable, this is referred to as multicollinearity.

Since a variable is multicollinear when it is correlated with other variables, the offered statement in the question is true.

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The value of x in the expression, x³ = 3.4 is x = 1.50369.

A mathematical expression is made up of a statement, at least two integers or variables, and one or more arithmetic operations.

Given:

x³ = 3.4

Calculate the value by taking the cube root of both sides as shown below,

x = ∛3.4

x = 1.50369

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Answer:

x = -3.57

Step-by-step explanation:

First, subtract the answer and the other interger: -5.37 - (-1.8). Two negatives equal a negative. So, your answer would be -3.57

To double check, you would add -3.57 + (-1.8) [-+-=-] Equals, -5.37.

I hope this helped you!

1) It is a conservative force, yes.

2) At (5m, 5m), the potential energy is 20 J.

1) If the work that a force performs when moving an item depends only on the object's initial and final positions and not on the path travelled, the force is said to be conservative.

Let's verify if this condition is met for the force in this problem:

- For moving from (0 m, 0 m) to (5 m, 5 m), the work done is 20 J (A)

Then we can go from (0 m, 0 m) to (5 m, 5 m) through a different path:

- from (0 m, 0 m) to (5 m, 0 m) (work done: 25 J)

- from (5 m, 0 m) to (5 m, 5 m) (work done: -5 J)

Total work done in the second path: 25 J + (-5 J) = 20 J --> same as (A)

We can also go from (0 m, 0 m) to (5 m, 5 m) through a different path:

- from (0 m, 0 m) to (0 m, 5 m) (work done: 35 J)

- from (0 m, 5 m) to (5 m, 5 m) (work done: -15 J)

Total work done in the third path: 35 J + (-15 J) = 20 J --> same as (A)

So, the force is conservative, since the work done does not depend on the path taken.

2) For a conservative force, the change in potential energy of the object moved by the force is equal to the work done by the force in moving the object from A to B.

Here have:

Point A: (0m, 0m)

Point B: (5m, 5m)

In this problem, the potential energy at the origin (point A) is zero, so,

[tex]W = U_{b} - U_{a}[/tex]

Also we know that the work done is W = 20 J

So, we find

[tex]U_{b} = W + U_{a}\\=20 + 0\\= 20J[/tex]

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Correct Question:

A force does work on a 50 g particle as the particle moves along the following straight paths in the xy-plane: 25 J from (0 m, 0 m) to (5 m, 0 m); 35 J from (0 m, 0 m) to (0 m, 5 m); -5 J from (5 m, 0 m) to (5 m, 5 m); -15 J from (0 m, 5 m) to (5 m, 5 m); and 20 J from (0 m, 0 m) to (5 m, 5 m).

Is this a conservative force?

If the zero of potential energy is at the origin, what is the potential energy at (5m, 5m)?

Answer:

Those must-haves should include food, clothing, housing and insurance. And it also should include emergency and retirement savings, Luber said.

Step-by-step explanation:

hope this helped:)

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In 4 months, the total cost of Yoga Studio A would equal that of Yoga Studio B

What is total ?

Total refers to an entire or complete amount, and the verb "to total" means to combine two numbers or to destroy anything. In mathematics, you add integers to get the total; the outcome is the total. The result of adding 8 and 8 is 16.

The cost of Yoga Studio A at any given month can be represented as:

= Membership fee + (Monthly fee x Number of months)

Assuming number of months is x, the formula would be:

= 24 + (21.50 × x)

= 24 + 21.50x

Yoga Studio B would be:

= 41 + (17.25 × x)

= 41 + 17.25x

In order to find the month that these costs would be equal, equate both formulas:

24 + 21.50x = 41 + 17.25x

21.50x - 17.25x = 41 - 24

4.25x = 17

x = 17 / 4.25

x = 4 months

In conclusion, their costs would be the same in the 4th month.

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Answer:47

Step-by-step explanation:

Answer:

Your answer is 47, hope it helps.

x = - 3 / 4Y

y = - 117 + 4Y / 9

Shayla will pay a sum of $1020 for cleaning the remaining area.

What is Area?

The quantity area indicates the extent of a region on a planar or curved surface. Surface area refers to the area of an open surface or the border of a three-dimensional object, whereas area of a plane region or plane area refers to the area of a form or planar lamina.

Solution:

Area of Rectangle = Length * Breadth

Area of the Room = 20*17 = 340 sq. ft.

Area of the Rug = 17*14 = 238 sq. ft.

Area Left = 340 - 238 = 102 sq. ft.

Total Charges will be $10*102 = $1020

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