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matrenka [14]
3 years ago
15

If the educational level of all United States government employees reveals a mean of 14 years with a standard deviation of 4 yea

rs, determine the probability that in a random sample of 50 government employees the average educational level will be between 12 and 16 years. What is the probability that the sample mean will be below 12 years of education?
Mathematics
1 answer:
Nataly_w [17]3 years ago
4 0
Idk im only in algebra
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What is the slope of the line that contains the points (-1,2) and (3,3)
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Answer:

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Step-by-step explanation:

Hi there!

We are given the points (-1,2) and (3,3) and we need to find the slope.

The formula for slope calculated from two points is \frac{y_{2}-y_{1} }{x_{2}-x_{1}}, where (x_{1},y_{1}) and (x_{2},y_{2}) are points

since we have two points, we can substitute them into the formula, but let's label their values to avoid any confusion

x_{1}=-1

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x_{2}=3

y_{2}=3

now substitute into the formula (m is the slope); remember: we have a negative number in this, so we'll be subtracting a negative.

m=\frac{3-2}{3--1}

simplify

m=\frac{3-2}{3+1}

m=\frac{1}{4}

so <u>B </u>is your answer

Hope this helps! :)

6 0
3 years ago
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Because 3 feet are  equal to a yard and 1760 yards are in one mile

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How long did it take for the car to be under surveillance before it could finally stop on the side of the road? Did the driver o
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