Find best formulation of the null hypothesis

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Reference no: EM13123949

A company's average accounts receivable per customer is $132.54. After a problem in the automated accounting software is suspected, a random sample of 38 accounts reveals a sample mean of $143.55 and a sample standard deviation of $38.29.

In a two-sided hypothesis test to see if the average accounts receivable has changed, the best formulation of the null hypothesis is?

Reference no: EM13123949

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