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ruslelena [56]
3 years ago
5

A college football fan is interested in estimating the average pass efficiency rating for quarterbacks in the NCAA Division I Fo

otball Bowl Subdivision known as FBS. The fan took a random sample of 50 quarterbacks from a list of all quarterbacks who played in at least 9 games during the 2019 regular season. From the random sample of quarterbacks, the average pass efficiency rating was 140.272 with a standard deviation of 19.283.
Required:
a. Obtain a point estimate for the average pass efficiency rating for FBS quarterbacks.
b. Compute the margin of error for a 95% confidence interval for the average pass efficiency rating for FBS quarterbacks.
c. Construct a 95% confidence interval for the average pass efficiency rating for FBS quarterbacks.
d. Interpret the interval from (c).
Mathematics
1 answer:
KatRina [158]3 years ago
4 0

Answer:

What's the question?

Step-by-step explanation:

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Line AB contains points A (8, −4) and B (1, −5). The slope of line AB is....
shutvik [7]

Answer:

The\ slope\ of\ the\ line\ AB\ is \frac{1}{7} .

Step-by-step explanation:

Formula for slope

m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}}

As the Line AB contains points A (8, −4) and B (1, −5).

Put points value in the above

m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}}

m = \frac{- 5- (-4)}{1 - 8}

m = \frac{- 5 + 4}{1 - 8}

m = \frac{- 1}{-7}

m = \frac{1}{7}

Therefore\ the\ slope\ of\ the\ line\ AB\ is \frac{1}{7} .

7 0
3 years ago
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Please answer fast The vertices of a rectangle are located at the coordinates (1, 4), (1, 5), (6, 5),
hammer [34]

Answer:

See below ~

Step-by-step explanation:

<u>Drawing the rectangle</u> (Refer attachment)

<u>Horizontal sides</u>

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<u>Vertical sides</u>

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<u>Perimeter</u>

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3 0
2 years ago
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Bogdan [553]
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3 0
2 years ago
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vitfil [10]

Answer:

A

Step-by-step explanation:

Refer to the picture above.

Explainations are written in the pic above.

4 0
3 years ago
Can someone please help me find the answers to these two questions please?
Sliva [168]

Answer:

Question 13: x = 47°

Question 14: x = 67°

Step-by-step explanation:

Question 13:

add up all the known factors meaning 16, 27 and 90°, then subtract 180 from what you got from adding known factors

Question 14:

out out of all numbers meaning 19, 4 and 90°, then subtract 180 from what you got from adding all known factors

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