Market research indicates that a new product has the potential to make the company an additional $3.8 million, with a standard deviation of $1.8 million. If this estimate was based on a sample of 10 customers from a normally distributed data set, what would be the 90% confidence interval?

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Q: Question 1

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A: Not acceptable = 120-92 = 28

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A: The confidence interval can be found by using the formula p±zp(1-p)n

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Q: Which of the following would result in the narrower confidence interval?

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A: a. The point estimate of is, Thus, the point estimate of is 50.25.

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A: From the provided information, Confidence level = 90% Margin of error = 0.06

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A: Given information x = 127 N = 150

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A: Qualitative variable: A variable which cannot be measured in numerically is known as a Qualitative…