A real estate sales agency specializes in selling vacation property. Its records indicate that the mean selling time of vacation property is 90 days. However, it believes that because of the recent hurricanes, the mean selling time is now greater than 90 days. A survey of 100 properties sold recently revealed that the mean selling time was 94 days, with a standard deviation of 18 days.

At the 0.05 significance level, has there been an increase in selling time?

a.What is the decision rule?(Round the final answer to 3 decimal places.)

RejectH₀: 90 and acceptH₁: > 90when the test statistic isgreater than------.

b.What is the value of the test statistic?(Round the final answer to 2 decimal places.)

Value of the test statistic =

c.What is your decision regardingH₀?

RejectH₀.