9. A contractor read in a survey that the percent of homeowners who wanted a 2-car garage was 70%. He selected a sample of 30 homeowners and found that 23 wanted a 2-car garage. At x = 0. 02, is there enough evidence to support the claim? 76.66 1= 30 2 = 0.02 10. A researcher suggests that the variances of the ages of the freshman at RVCC is greater than 1.6. A sample of 50 freshmen is selected and the variance is found to be 2.3 years. At xx = 0.05, is there enough evidence to support the claim