Forbes reports that women trust recommendations from Pinterest more than recommendations from any other social network platform (Forbes website, April 10, 2012). But does trust in Pinterest 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 Pinterest.

a. What is the point estimate of the proportion of women who trust recommendations made on Pinterest?
b. What is the point estimate of the proportion of men who trust recommendations made on Pinterest?
c. Provide a 95% confidence interval estimate of the difference between the proportion of women and men who trust recommendations made onPinterest.

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Sample Trust Recommendations Made on Pinterest Women 150 117 Men 170 102