Question 10, 8.1.21-T HW Score: 55%, 11 of 20 Homework: Sec 8.1 Part 1 of 6 points O Points: 0 of 1 Save A real estate agency says that the mean home sales price in City A is the same as in City B. The mean home sales price Question list K for 20 homes in City A is $127,436. Assume the population standard deviation is $25,872. The mean home sales price for 20 homes in City B is $112,291. Assume the population standard deviation is $27, 115. At a = 0.01, is there enough evidence to reject the agency's claim? Complete parts (a) through (d) below. O Question 8 (a) Identify the claim and state Ho and Ha- O Question 9 What is the claim? O A. The mean home sales price in City A is less than in City B. O Question 10 O B. The mean home sales price in City A is the same as in City B. O C. The mean home sales price in City A is greater than as in City B. O D. The mean home sales price in City A is not the same as in City B. O Question 11 O Question 12 Question 13 O Question 14HW Score: 65%, 13 of 20 Homework: Sec 8.1 Question 13, 8.1.29-T points 0 Points: 0 of 1 To construct a condence interval for the difference between two population means p1 - p2, use the formula shown QueStlon \"St '6 below when both population standard deviations are known, and either both populations are normally distributed or both n1 2 30 and n2 2 30. Also, the samples must be randomly selected and independent. 0 Question 8 The descriptive statistics for the annual salaries from a random sample of microbiologists from two regions are shown below. Construct a 95% condence interval for the difference between the mean annual salaries. . i = 104,820, n = 40, and 0' = 8900; i = 85,460, n =44, and 0' = 8885 0 Question 9 1 $ 1 1 $ 2 $ 2 2 $ E) 0 Question 10 Complete the 95% condence interval for M - p2 below. $