Question

O Suppose the average checkout tab at a large supermarket is $65.12, with a standard
deviation of $21.45. Twenty-three percent of the time when a random sample of
45 customer tabs is examined, the sample average should exceed what value?
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Answer 1

Answer:

O Suppose the average checkout tab at a large supermarket is $65.12, with a standard

deviation of $21.45. Twenty-three percent of the time when a random sample of

45 customer tabs is examined, the sample average should exceed