Mathematics, 04.04.2020 18:20 ayoismeisalex
Suppose that the ages of members in a large billiards league have a known standard deviation of σ = 12 σ=12sigma, equals, 12 years. Hernando plans on taking a random sample of n nn members from this population to make a 95 % 95%95, percent confidence interval for the mean age in the league. He wants the margin of error to be no more than 5 55 years. Which of these is the smallest approximate sample size required to obtain the desired margin of error?
Answers: 1
is the standard deviation
is the desired margin of error.
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Suppose that the ages of members in a large billiards league have a known standard deviation of σ =...
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