Question
A survey was conducted that asked 1004 people how many books they had read in the past year. Results indicated that x= 11.6 books and
A survey was conducted that asked 1004 people how many books they had read in the past year. Results indicated that x= 11.6 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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Cambridge IGCSE And O Level Additional Mathematics Coursebook
Authors: Sue Pemberton
2nd Edition
1108411665, 9781108411660
