A sample of 49 managers reveals a sample mean of $45,420. The standard deviation of the samp is $2,050. What is the range of values for the population mean at 95% confidence level?

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A: Yes, the solution given is correct.

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A: Ans-

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A: We will use Euler's expansion

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A: Find your  correct answer below

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A: Hello. Since your question has multiple parts, we will solve first question for you. If you want…

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A: From the obtained results, the p-value is 0.0676.

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A:

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A: The formula of standard deviation is:

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A:

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A: Both answer is wrong.  One silly mistake happen in addition.  Detail solution is given in next steps

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