Mathematics, 20.06.2020 17:57 Rch64
The president of Doerman Distributors, Inc., believes that 30% of the firm's orders come from first-time customers. A random sample of 100 orders will be used to estimate the proportion of first-time customers.
Assume that the president is correct and p = .30. What is the sampling distribution of for this study?
A normal distribution because np and n(1-p) are both greater than 5A normal distribution because np and n(1-p) are both less than 5A non normal distributionItem
What is the probability that the sample proportion will be between .20 and .40 (to 4 decimals)?
What is the probability that the sample proportion will be between .25 and .35 (to 4 decimals)?
Answers: 1
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The president of Doerman Distributors, Inc., believes that 30% of the firm's orders come from first-...
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