Question
Pinworm: In a prior sample of U.S. adults, the Center for Disease Control (CDC), found that8%of the people in this sample had pinworm but the
Pinworm:In a prior sample of U.S. adults, the Center for Disease Control (CDC), found that8%of the people in this sample had pinworm but the margin of error for the population estimate was too large. They want an estimate that is in error by no more than1.5percentage points at the95%confidence level.Enter your answers as whole numbers.
(a) What is the minimum sample size required to obtain this type of accuracy? Use the prior sample proportion in your calculation.
The minimum sample size isU.S. adults.
(b) What is the minimum sample size required to obtain this type of accuracy when you assume no prior knowledge of the sample proportion?
The minimum sample size isU.S. adults.
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Calculus
Authors: Dale Varberg, Edwin J. Purcell, Steven E. Rigdon
9th edition
131429248, 978-0131429246
