The Quickpay insurance company interviewed a random sample of 450 college students to find out the type of life insurance preferred. The results follow: Insurance Preference Gender Whole Life Term Life Female 78 155 Male 116 101 a) Is there evidence that life insurance preference of male students and the life insurance preference of female students are dependent. Use a 2.5% level of significance. b) The Quickpay insurance company wanted to know whether the female students in college preferred a whole life insurance. They surveyed 233 college female students and asked about the preference of insurance. After tallying the responses, they found out that 140 chose the whole life insurance. Estimate with 99% confidence the proportion of all females who chose to prefer a whole life insurance. c) This part has no link to part a) to b). When the problem objective is to describe a population of nominal data with exactly two categories, which test(s) could be used to properly analyze the data