1.

The Eagle Ridge Contractors Association claims the average price of a home in their subdivision is $125,150 with a standard deviation of $7,350. A sample of 36 homes for sale in this subdivision had an average selling price of $123,550. Is there evidence that the costs of homes for sale in this subdivision are actually lower than claimed?What is the p-value for a one-sided test of the data provided above?

2.

For the conjecture "The average age of students in this class is 20", the null hypothesis is

Select one:

a. The average age of students in this class is not 20b. We reject the hypothesis that the average age of students in this class is 20c. We do not reject the hypothesis that the average age of students in this class is 20d. The average age of students in this class is 20

3.Consider the following null and alternative hypotheses. Ho: 79 H1: > 79 These hypotheses _______________.

4.The region of the distribution in hypothesis testing in which the null hypothesis is rejected is called the _______

5.Nationwide, the average waiting time until a electric utility customer service representative answers a call is 300 seconds per call. The Gigantic Kilowatt Energy Company took a sample of 35 calls and found that, on the average, they answered in 240 seconds per call with a standard deviation of $50. Can the company claim that they are faster than the average utility?