People were polled on how many books they read the previous year. How many subjects are needed to estimate the number of books r
ead the previous year within one book with 99% confidence? Initial survey results indicate that sigmaequals12.4 books.
1 answer:
n = [z*s/E]^2
n = [2.5758*14.1/1]^2 = 1320 (rounded up)
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