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Sliva [168]
3 years ago
9

In which of the following situations is a sample mean of 55 most likely to be closest to the actual population mean? Please expl

ain.
(1) 100 students sampled and 1,000 in a population
(2) 100 students sampled and 500 in population
(3) 50 students sampled and 500 in population
(4) 50 students sampled and 1,000 in population
Mathematics
1 answer:
WARRIOR [948]3 years ago
5 0
<span>(2) 100 students sampled and 500 in population

This amount is the closest to the actual population and had more surveyed, this one will be most likely to be the closest to the actual population.</span><span>
</span>
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10. 8 divided by 4 is 2 times 2 is 4 8 plus 6 minus 4 is 10
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The area of a rectangular playground is 78 square meters. If the length of the playground is 13 meters, what is its width?
aleksley [76]

Answer: It’s 6 meters

Step-by-step explanation:

if we know the area and the length we need to divide the two to get the width.

78 divided by 13. = 6

7 0
3 years ago
Please help me I really really need help
postnew [5]

Answer:

B) \sqrt{2} ÷ 2\sqrt{5}

Step-by-step explanation:

A→ 2\sqrt{5} ÷ \sqrt{5}

= \frac{2\sqrt{5} }{\sqrt{5} }

<u>→ </u><u>2</u><u> is a rational number</u>

B) → \sqrt{2} ÷ 2\sqrt{5}

=\frac{\sqrt{2} }{2\sqrt{5} }

=\frac{\sqrt{2} }{\sqrt{2}*\sqrt{2}*\sqrt{5}   }

= \frac{1}{\sqrt{10} }

<u>↑ is irrational number</u>

C) \frac{\pi }{2}÷ \pi

= \frac{\pi }{2} *\frac{1}{\pi }

=\frac{1}{2}

<u>↑ is a rational number</u>

D)5\pi ÷ \pi

= 5

<u>↑ is a rational number</u>

<u>So,</u><u> Option B</u><u> is your answer</u>

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

hope it helps..

have a great day!!!

5 0
3 years ago
What is the interquartile range of the data set?
VladimirAG [237]
Don’t use that link!! They always comment under my stuff and other people have told me that’s just to get your information and location and stuff like that! Be safe and have a nice day
4 0
3 years ago
Point One = (0, -2)<br> Point Two = (-3,-5)<br> Slope-Intercept Form
chubhunter [2.5K]

Answer:

y = x - 2

Step-by-step explanation:

The general structure of an equation in slope-intercept form is:

y = mx + b

In this formula, "m" represents the slope and "b" represents the y-intercept. Before writing our equation in this form, we first need to find the slope. The slope can be found using the point-slope formula:

y₁ - y₂ = m(x₁ - x₂)

In this formula, "m" represents the slope, "x₁" and "y₁" represent the values from Point One, and "x₂" and "y₂" represent the values from Point Two. You can find the slope by plugging the values from the points into the equation and then simplifying.

x₁ = 0                 x₂ = -3

y₁ = -2                y₂ = -5

y₁ - y₂ = m(x₁ - x₂)

(-5 - (-2)) = m(-3 - 0)

-3 = m(-3)

1 = m

Now that we have a value for the slope, we can use the values from either one of the points to solve for the y-intercept (from the slope-intercept form equation).

m = 1

x = 0

y = -2

y = mx + b

-2 = (1)(0) + b

-2 = 0 + b

-2 = b

Therefore, the equation of the line in slope-intercept form is:

y = x - 2

6 0
2 years ago
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