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Mathematics 11 Online
OpenStudy (anonymous):

Having trouble with confidence intervals on TI-84 Plus

OpenStudy (anonymous):

A poll was conducted that asked 1011 people how many books they had read in the past year. Results indicated that x = 10.4 books and s = 16.6 books. Construct a 90% confidence interval for the mean number of books people read.

OpenStudy (anonymous):

I'm not sure how to calculate this. Tried watching youtube tutorials with no luck

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