2. A grocery store's receipts show that individual Sunday customer purchases have a very skewed distribution with a mean of $32 and a standard deviation of $20. a) If we consider a random sample of 50 Sunday customers, give the properties (and provide a sketch) for the sampling distribution for the sample mean purchase. b) Find the probability the sample of 50 Sunday customers will have a mean purchase between $28 and $36?

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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2. A grocery store's receipts show that individual Sunday customer purchases have a very skewed distribution
with a mean of $32 and a standard deviation of $20.
a) If we consider a random sample of 50 Sunday customers, give the properties (and provide a sketch) for
the sampling distribution for the sample mean purchase.
b) Find the probability the sample of 50 Sunday customers will have a mean purchase between $28 and
$36?
Transcribed Image Text:2. A grocery store's receipts show that individual Sunday customer purchases have a very skewed distribution with a mean of $32 and a standard deviation of $20. a) If we consider a random sample of 50 Sunday customers, give the properties (and provide a sketch) for the sampling distribution for the sample mean purchase. b) Find the probability the sample of 50 Sunday customers will have a mean purchase between $28 and $36?
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