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Colt1911 [192]
3 years ago
9

True or False: The mean of the sampling distribution of a sample population is the population propotion?

Mathematics
1 answer:
Ipatiy [6.2K]3 years ago
5 0

Answer:

TRUE

Step-by-step explanation:

The “mean” of the sampling is always equal to the population mean. If repeated random samples of size n, where the proportion in the category is p, then the mean of all sample proportions is the population proportion. Therefore, the answer is TRUE.

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Georgia has a budget of $8 for a new notebook. She wants to spend within $5 of her budget, so she uses the equation 5 = |8 – x|
siniylev [52]

Answer:

Minimum: 3

Maximum: 13

Step-by-step explanation:

Georgia uses the equation

5 = |8 – x| to find the maximum and minimum values.

We solve the equation for x.

5 =  |8 - x|

By the definition of the absolute value function, we must have:

- 5 = 8 - x \: or \: 5 = 8 - x

We subtract 8 from both sides to get:

- 5 - 8 =  - x \: or \: 5 - 8 =  - x

- 13 =  - x \: or \:  - 3 =  - x

This simplifies to:

13 =  x \: or \:  3 = x

Therefore the minimum value is 3 and maximum is 13

5 0
3 years ago
Determine the coordinates of the point on the unit circle corresponding to the given central angle. If necessary round your resu
Olenka [21]

Answer:

Option A. (-1, 0)

Step-by-step explanation:

In the figure attached,

Circle O is a unit circle (having radius r = 1 unit)

If a point A with central angles = θ, is lying on the circle then the coordinates of the point A will be,

x = r.cosθ

x = 1.cosθ = cosθ

and y = r.sinθ

y = 1.sinθ = sinθ

Therefore, coordinates representing the point A will be (cosθ, sinθ).

As per question the given point A is lying at P (a point having central angle θ = 180°)

Coordinates of point P will be

(x', y') → (cos180°, sin180°)

        → (-1, 0)

Therefore, Option A will be the answer.

3 0
3 years ago
(-2,-11);slope=4 write the equation of the line
wolverine [178]

Answer:  y = 4x-3

slope = 4, y intercept = -3

=================================================

m = 4 is the slope

(x_1,y_1) = (-2,-11) is the point the line goes through

Using point slope form, we can say,

y - y_1 = m(x - x_1)\\\\y - (-11) = 4(x - (-2))\\\\y + 11 = 4(x + 2)\\\\y + 11 = 4x + 8\\\\y + 11-11 = 4x + 8-11\\\\y = 4x - 3\\\\

The equation is in slope intercept form y = mx+b

m = 4 = slope

b = -3 = y intercept

------------------------

As an alternative, you can use y = mx+b to get the same answer. We'll plug in m = 4 and (x,y) = (-2,-11) to solve for b

y = mx+b

-11 = 4(-2)+b

-11 = -8+b

-11+8 = -8+b+8

-3 = b

b = -3 we get the same y intercept value as above

------------------------

To check the answer, plug x = -2 into the equation. We should get y = -11

y = 4x-3

y = 4(-2)-3

y = -8-3

y = -11 we get the proper y value. The answer is confirmed.

3 0
3 years ago
Read 2 more answers
Surface Area of a Rectangle please help
valentinak56 [21]

Answer:

Step-by-step explanation:

(15x8x2)+(15x6x2)+(6x8x2)=516m

8 0
3 years ago
What is the answer to this 10+4(2+20)
Bogdan [553]

Answer:

98

Step-by-step explanation:

PEMDAS: Parenthesis, Exponents, Multiply, Divide, Add, Subtract, if tied, go left to right.

Elementary Algebra rhyme you should consider a requirement to remember because it's the base of a vast majority of problem's you'll encounter.

10+4(2+20)

10+4(22). . .distribute the 4 into the parenthesis aka multiply 22*4

10+88 = 98

7 0
3 years ago
Read 2 more answers
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