in order to estimate the proportion of individuals who read at least one book per month, a random sample of individuals at a book fair was selected, and they were asked whether or not they read at least one book per month. their responses are shown below: awnser the following a) what is the proportion of people who read at least one book a month? b) assume alpha= .05. which is the correct way to calculate margin of error for this problem? c) assume alpha is 0.05 what is the confident interval for this proportion?

Responses Frequency Yes, I read at least one book per month 640 No, I do not read at least one book per month 160