Question

an auditor wishes to test the assumption that the mean value of all accounts receivable in a given firm is $260.00 she will reject this claim only if it is clearly contradicted by the sample mean. the sample standard deviation of 36 accounts is $43, the sample mean is $250, and the level of significance is 5%

1. write out the null and alternative hypotheses.

2. Calculate the A test statistic.

3. Find the p-value.