Based on historical data your manager believes that 30 of

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1) Based on historical data, your manager believes that 33% of the company's orders come from first-time customers. A random sample of 125 orders will be used to estimate the proportion of first-time-customers. What is the probability that the sample proportion is less than 0.32?

2) Based on historical data, your manager believes that 30% of the company's orders come from first-time customers. A random sample of 109 orders will be used to estimate the proportion of first-time-customers. What is the probability that the sample proportion is between 0.35 and 0.49?

Reference no: EM13634531

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