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Humans are forgetful sometimes. A study showed that people forget to eat about 14% of the...

Humans are forgetful sometimes. A study showed that people forget to eat about 14% of the food they buy at the grocery store sometimes. Suppose this is the true proportion. On a particular day, you sample a group of 420 shoppers. What is the probability that your sample proportion will be between 0.11 and 0.17?

Math   Statistics-And-Probability   
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Answer #1

Refer Standard normal table/Z-table to find the probability OR use excel formula "=NORM.S.DIST(1.77, TRUE)" & "=NORM.S.DIST(-1.77, TRUE)" to find the probability.
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