Question 7 of 8, step 1 of 1
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a research scholar wants to know how many times per hour a certain strand of virus reproduces. he wants to construct the 90% confidence interval with a maximum
error of 0.2 reproductions per hour. assuming that the mean is 11.9 reproductions and the variance is known to be 5.29, what is the minimum sample size required
for the estimate? round your answer up to the next integer.
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