SAT, 04.04.2021 19:00, keaudresp57ie1

Amatos sells an average of 1,528 “real Italians” per week, with a standard deviation of 76. (a) Amatos takes a sample the number of “real Italians” sold per week for 32 weeks from 2018. What is the probability of the sample mean being less than 1500? (b) Amatos takes a larger sample of 60 weeks over the last few years. Now what is the probability of the sample mean being less than 1500? Greater than 1550?

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Amatos sells an average of 1,528 “real Italians” per week, with a standard deviation of 76. (a) Amat...