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show all work 7. A Consumer Reports Research Center survey of 427 women showed that 29.0% of them purchase books online. a. Among the 427

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7. 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 92% 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

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