a. What is the distribution of x? x ~ N( 5.0877 X b. What is the distribution of Σα? Σ x - N( 360.4 ✔ 1470.3: X c. P(> 19.1166) = 0.8212✓ O d. Find the 79th percentile for the mean score for this sample size. 23.018 OF e. P(19.8166 < x < 22.7278) =

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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The average score for games played in the NFL is 21.2
and the standard deviation is 9.3 points. 17 games are
randomly selected. Round all answers to 4 decimal
places where possible and assume a normal
distribution.
a. What is the distribution of x? - NO
5.0877x)
b. What is the distribution of Σα? Σ
X ~
N(
360.4 ✔ 1470.3: X
c. P(> 19.1166) = 0.8212
OB
d. Find the 79th percentile for the mean score for
this sample size. 23.018
OF
e. P(19.8166 < x < 22.7278) =
f. Q1 for the distribution
=
g. Pa
x > 408.2822) =
h. For part c) and e), is the assumption of normal
necessary? No Yes
Transcribed Image Text:The average score for games played in the NFL is 21.2 and the standard deviation is 9.3 points. 17 games are randomly selected. Round all answers to 4 decimal places where possible and assume a normal distribution. a. What is the distribution of x? - NO 5.0877x) b. What is the distribution of Σα? Σ X ~ N( 360.4 ✔ 1470.3: X c. P(> 19.1166) = 0.8212 OB d. Find the 79th percentile for the mean score for this sample size. 23.018 OF e. P(19.8166 < x < 22.7278) = f. Q1 for the distribution = g. Pa x > 408.2822) = h. For part c) and e), is the assumption of normal necessary? No Yes
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