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Category > Math Posted 14 Aug 2017 My Price 10.00

13. Assume the SAT Mathematics Level 2 test scores are normally distributed with a mean of 500 and a standard deviation of 100.

13. Assume the SAT Mathematics Level 2 test scores are normally distributed with a mean of 500 and a standard deviation of 100. Show all work. Just the answer, without supporting work, will receive no credit. (a) Consider all random samples of 64 test scores. What is the standard deviation of the sample means? (b) What is the probability that 64 randomly selected test scores will have a mean test score that is between 475 and 525? 
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This question was created from STAT_200_Common_Final_Fall_2016_OL3 (2) 

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SophiaPretty
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Status NEW Posted 14 Aug 2017 07:08 AM My Price 10.00

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