Question Completion Status: Path: p Words:0 QUESTION 4 Confidence Interval for a

Question

Question Completion Status: Path: p Words:0 QUESTION 4 Confidence Interval for a Population Mean: We wish to estimate the average number of heart beats per minute for a certain population of 49 patients is normally distributed with a standard deviation ·10 Construct a 90% confidence interval for the population mean. (Use Table 5-b, Confidence Interval) Find: a) Confidence level b) Margin of Error, E c) Confidence Interval population. The average number of heart beats per minute for a sample of 49 subjects was found to be 90. Assume that the Path: n nd Suhmit te sqve and submit. Click Save All Answers to save all answers. Save All Answers

Explanation / Answer

given:

a)

b)

c)

ci = mean+-ME

confidence interval is (87.65, 92.35)

n= 49 mean= 90 sd= 10

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