Online Books A Consumer Reports Research Center survey of 427 women showed that 29.0% of them purchase
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Online Books A Consumer Reports Research Center survey of 427 women showed that 29.0% of them purchase books online.
a. Among the 427 women who were surveyed, what is the number of women who said that they purchase books online?
b. Find a 95% confidence interval estimate of the percentage of all women who purchase books online.
c. Can we safely conclude that less than 50% of all women purchase books online? Why or why not?
d. Can we safely conclude that at least 25% of all women purchase books online? Why or why not?
e. What do the results tell us about the percentage of men who purchase books online?
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