Based on historical data your manager believes that of the company's orders come from first time...

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Based on historical data your manager believes that of the companys orders come from first time customers. A random sample o

math Statistics-And-Probability

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Answer 1

Answer #1

p = 0.33 sample size n = 84

Std Error = sqrt[p * (1 - p)/n] = sqrt[0.33 * (1 - 0.33)/84] = 0.0513

probability that the sample proportion is greater than 0.35 = P[Z > (0.35 - 0.33)/0.0513]

= P[Z >0.3899] = 0.3483

#probability that the sample proportion is greater than 0.35 is 0.3483

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Answer 2

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Based on historical data, your manager believes that 25% of the company's orders come from first-time...

Based on historical data, your manager believes that 26% of the company's orders come from first-time...

Based on historical data, your manager believes that 35% of the company's orders come from first-time...

Based on historical data, your manager believes that 32% of the company's orders come from first-time...

Based on historical data, your manager believes that 36% of the company's orders come from first-time...

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Based on historical data, your manager believes that 33% of the company's orders come from first-time...

Based on historical data, your manager believes that 27% of the company's orders come from first-time...

Based on historical data, your manager believes that 27% 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...

Based on historical data your manager believes that of the company's orders come from first time...

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