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A company 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

A company 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 = 0.30. What is the sampling distribution of for this study? (2 marks) b) What is the probability that the sample proportion will be between 0.20 and 0.40?

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