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Question 4 of 18 (1 point) Attempt 2 of Unlimited View question. In a popuR! 7.1 Section Exercise 37-38 A sample...


Question 4 of 18 (1 point) Attempt 2 of Unlimited View question. In a popuR! 7.1 Section Exercise 37-38 A sample of size n =
Question 4 of 18 (1 point) Attempt 2 of Unlimited View question. In a popuR! 7.1 Section Exercise 37-38 A sample of size n = 92 is drawn from a normal population whose standard deviation is a = 5.6. The sample mean is x = 46.06. Part 1 of 2 (a) Construct a 95% confidence interval for Jl. Round the answer to at least two decimal places. A 95% confidence interval for the mean is <u< . Part 2 of 2 (b) If the population were not approximately normal, would the confidence interval constructed in part (a) be valid? Explain. The confidence interval constructed in part (a) (Choose one) y be valid since the sample size (Choose one) large.
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For 95% confidence , z-value = 1.96 :. A 95% confidence interval for the mean is 1. (X-Zo hon) <u<(x + z o n) → (46.06-1.96 )

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