Question
Based on historical data, your manager believes that 45% of the company's orders come from first-time...
Based on historical data, your manager believes that 45% of the
company's orders come from first-time customers. A random sample of
123 orders will be used to estimate the proportion of
first-time-customers. What is the probability that the sample
proportion is between 0.21 and 0.48?
Note: You should carefully round any z-values you calculate to 4
decimal places to match wamap's approach and calculations.
Answer = (Enter your answer as a number accurate to 4
decimal places.)
Homework Answers
Answer #1
Refer Standard normal table/Z-table to find the probability or use excel formula "=NORM.S.DIST(0.6688, TRUE)" & "=NORM.S.DIST(-5.3503, TRUE)" to find the probability.
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