(R programming) P1. Believe in heaven? When a GSS asked 1326 subjects, "Do you believe in heaven?" (Coded HEAVEN), the proportion who answered yes was 0.85. From results in the next section, the estimated standard deviation of this point estimate is 0.01. (Provide the script below)

a. Find and interpret the margin of error for a 90% confidence interval for the population proportion of Americans who believe in heaven.

b. Construct the 95% confidence interval. Interpret it in context.