Goofy Marketing Solutions conducted a survey among 16 randomly selected vis to the newly opened Outlet Shoppes at Atlanta to measure their satisfaction wi the shopping experience. The sample satisfaction score is normally distributed around a mean of X = 67with a sample standard deviation of s=7.509. Deterr the 95% confidence interval for the population mean from the sample.

Q: 11) 60

A: Here I am attaching image so that you understand each and every step.

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Q: 72

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A: Consider the given expression as 411×59. 411×59=4×511×9=2099

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A: We can find the value of x as below

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A: Given that  The vector

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A: