1.A publisher reports that65%

65%of their readers own a particular make of car. A marketing executive wants to test the claim that the percentage is actually different from the reported percentage. A random sample of270

270found that60%

60%of the readers owned a particular make of car. State the null and alternative hypotheses.

Ho:____?

Ha: _____?

2.Using traditional methods, it takes9.4

9.4hours to receive a basic driving license. A new license training method using Computer Aided Instruction (CAI) has been proposed. A researcher used the technique with24

24students and observed that they had a mean of9.6

9.6hours with a standard deviation of1.4

1.4. A level of significance of0.1

0.1will be used to determine if the technique performs differently than the traditional method. Assume the population distribution is approximately normal. Make the decision to reject or fail to reject the null hypothesis.