A survey was conducted that asked 1017 people how many books they had read in the past year. Results indicated that x = 12.8 books and s = 16.6 books. Construct a 90% confidence interval for
the mean number of books people read. Interpret the interval.
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Construct a 90% confidence interval for the mean number of books people read and interpret the
result. Select the correct choice below and fill in the answer boxes to complete your choice.
(Use ascending order. Round to two decimal places as needed.)
O A. There is a 90% probability that the true mean number of books read is between
and
OB. There is 90% confidence that the population mean number of books read is between
and
OC. If repeated samples are taken, 90% of them will have a sample mean between
and