Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 03 Jan 2018 My Price 4.00

test scores

Assume all test scores are normally distributed, X~N(75, 10). Calculate the following probabilities: a. P(having a test score higher than 72) b. P(having a test score lower than 90) c. For a sample of size 25, describe the distribution of the sample mean test score. d. What is the probability that for a sample of size 25, the sample mean test score is higher than 72? e. What test score represents the 99th percentile for all individual test scores?
 
 

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Maurice Tutor
(5)
Status NEW Posted 03 Jan 2018 09:01 PM My Price 4.00

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