Please answer the questions correctly.

Question 3.

A real estate sales agency specializes in selling vacation property. Its records indicate that the mean selling time of vacation property is 80 days. However, it believes that because of the recent hurricanes, the mean selling time is now greater than 80 days. A survey of 100 properties sold recently revealed that the mean selling time was 84 days, with a standard deviation of 19 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: 80 and acceptH₁: > 80when the test statistic is

(Click to select)

greater than

less than

equal to

.

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?

(Click to select)

Reject

Fail to reject

H₀.

Question 4.

Chicken Delight claims that 60% of its orders are delivered within 10 minutes of the time the order is placed. A sample of 110 orders revealed that 55 were delivered within the promised time. At the 0.10 significance level, can we conclude that less than 60% of the orders are delivered in less than 10 minutes?

a.What is your decision regarding the below hypothesis?(Round the final answer to 2 decimal places.)

H₀is rejected ifz<.

b.Compute the value of the test statistic.(Round the final answer to 2 decimal places. Negative answer should be indicated by a minus sign.)

Value of the test statistic

H₀is

(Click to select)

not rejected

rejected

.

All the information and data are there so please do not say they are not