cricket 9% 6:43 PM Chapter 7: Central Limit The... X Reattempt this question Try another similar question Question with last attempt is displayed for your review only The average score for games played in the NFL is 20.6 and the standard deviation is 9.3 points. 7 games are randomly selected. Round all answers to 4 decimal places where possible and assume a normal distribution a. What is the distribution of ? c N(20.6 3.5150 b. What is the distribution of >: х? Σε-( NC c. P(x > 25.8274) = 0.28703 d. Find the 79th percentile for the mean score for this sample size. e. P(16.9274 < < 23.3576) f. Q3 for the i distribution x 145.0918) = h. For part c) and e), is the assumption of normal necessary? Yes No

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Chapter 7: Central Limit The...
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The average score for games played in the
NFL is 20.6 and the standard deviation is 9.3
points. 7 games are randomly selected.
Round all answers to 4 decimal places
where possible and assume a normal
distribution
a. What is the distribution of ? c
N(20.6
3.5150
b. What is the distribution of >:
х?
Σε-(
NC
c. P(x > 25.8274) = 0.28703
d. Find the 79th percentile for the mean
score for this sample size.
e. P(16.9274 < < 23.3576)
f. Q3 for the i distribution
x 145.0918) =
h. For part c) and e), is the assumption of
normal necessary?
Yes
No
Transcribed Image Text:cricket 9% 6:43 PM Chapter 7: Central Limit The... X Reattempt this question Try another similar question Question with last attempt is displayed for your review only The average score for games played in the NFL is 20.6 and the standard deviation is 9.3 points. 7 games are randomly selected. Round all answers to 4 decimal places where possible and assume a normal distribution a. What is the distribution of ? c N(20.6 3.5150 b. What is the distribution of >: х? Σε-( NC c. P(x > 25.8274) = 0.28703 d. Find the 79th percentile for the mean score for this sample size. e. P(16.9274 < < 23.3576) f. Q3 for the i distribution x 145.0918) = h. For part c) and e), is the assumption of normal necessary? Yes No
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