Question

A medical laboratory claims that the mean turn-around time for performance of a battery of tests on blood samples is 1.98 business days. The manager of a large medical practice believes that the actual mean is larger. A random sample of 45 blood samples yielded mean 2.05 and sample standard deviation 0.13 day. Perform the relevant test at the 10% level of significance, using these data.

State the null and alternative hypotheses: Ho: H1: This is a _________ test and the claim is the_________ (null or alternative hypothesis).For this study, we should use a_________ (right, left, or two-tailed) .The p-value is:_________(round to four decimal places). Because P_________0.10 we_________the null hypothesis. Thus,_________.

Answer 1