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Quiz 8 Question 2
Quiz 8
2. A survey was conducted that asked 1019 people how many books they had read in the past year. Results indicated that x=10.5 books and s=16.6 books. Construct a 90% confidence interval for the mean number of books people read. Interpret the interval.
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.)
- There is 90% confidence that the population mean number of books read is between ____ and ____
- There is a 90% probability that the true mean number of books read is between ___ and ____
- If repeated samples are taken, 90% of them will have a sample mean between ____ and ____