Assume the scores on a trivia challenge test are normally distributed with a mean μ = 76 and standard deviation of a = 6. a) Alisha received a score of 80. What is the z-value of Alisha's score? (Round to two decimal places). z= b) What percentage of scores fall between 64 and 88? c) What percentage of scores are between 70 and 88? d) What percentage of scores are below 70? % % % e) Find the first quartile Q₁ of the data set. (Round to one decimal place)

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Assume the scores on a trivia challenge test are normally distributed with a mean μ = 76 and standard deviation of o = 6.
a) Alisha received a score of 80. What is the z-value of Alisha's score? (Round to two decimal places). z=
b) What percentage of scores fall between 64 and 88?
c) What percentage of scores are between 70 and 88?
d) What percentage of scores are below 70?
%
%
%
e) Find the first quartile of the data set. (Round to one decimal place)
Transcribed Image Text:Assume the scores on a trivia challenge test are normally distributed with a mean μ = 76 and standard deviation of o = 6. a) Alisha received a score of 80. What is the z-value of Alisha's score? (Round to two decimal places). z= b) What percentage of scores fall between 64 and 88? c) What percentage of scores are between 70 and 88? d) What percentage of scores are below 70? % % % e) Find the first quartile of the data set. (Round to one decimal place)
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