An accounting firm has been hired by a large computer company to determine whether the proportion of accounts receivables with errors in one division (Division 1)exceeds that of the second division (Division 2).The managers believe that such a difference may exist because of the lax standards employed by the first division.To conduct the test,the accounting firm has selected random samples of accounts from each division with the following results.
Based on this information and using a significance level equal to 0.05,the test statistic for the hypothesis test is approximately 1.153 and,therefore,the null hypothesis is not rejected.
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