8.1

You may need to use the appropriate appendix table or technology to answer this question. A magazine reports that women trust recommendations from a particular social networking site more than recommendations from any other social network platform. But does trust in this social networking site differ by gender? The following sample data show the number of women and men who stated in a recent sample that they trust recommendations made on this particular social networking site. Women Men Sample 150 170 Trust Recommendations 1 1 1 85 Made on the social networking site (a) What is the point estimate of the proportion of women who trust recommendations made on this particular social networking site? :1 (b) What is the point estimate of the proportion of men who trust recommendations made on this particular social networking site? :1 (c) Provide a 95% condence interval estimate of the difference between the proportion of women and men who trust recommendations made on this particular social networking site. (Round your answers to four decimal places.) [:1tol:l