se the standard normal distribution or the t-distribution o construct a 95% conf

Question

se the standard normal distribution or the t-distribution o construct a 95% confidence interval or the population mean ust your decision. neither distribution can be used explain why terpret the results. In a random sample of 18 patients at a hospital's minor emergency department, the mean waiting time before seeing a medical professional was 19 minutes and the standard deviation was 7 minutes. Assume the waiting times are not normally distributed Which distribution should be used to construct the confidence interval? 0 A. Use a normal distribution because n

Explanation / Answer

Answers:

Option E

Option B

Option D.

  

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