Question

Section 9.4

Question 3 of 7

Internet tax: In 2013, a consulting company asked 1017 U.S. adults whether they believed that people should pay sales tax on items purchased over the Internet. Of these,

397 said they supported such a tax. Does the survey provide convincing evidence that more than 38% of U.S adults favor an Internet sale tax? Use the α=0.01 level of significance and the critical value method.

1. Null and Alternate Hypotheses?

2. Critical Value?

3.Test Statistic?

4.P Value?

5. Reject or do not reject Ho?

6. Enough evidence or not?

Question 7 of 7

Cable TV choices: A telecommunications company provided its cable TV subscribers with free access to a new sports channel for a period of one month. It then chose a sample of 414 television viewers and asked them whether they would be willing to pay an extra $10 per month to continue to access the channel. A total of 29 of the 414replied that they would be willing to pay. The marketing director of the company claims that the percentage of all of its subscribers who would pay for the channel differs from 6%. Can you conclude that the director's claim is true? Use the a=0.05 level of significance and the critical value method.

1. Null and Alternate Hypotheses?

2. Critical Value?

3.Test Statistic?

4.P Value?

5. Reject or do not reject Ho?

6. Enough evidence or not?

Answer 1