QUESTION 2 samples of sice N 100 wo could say the disr bution of the sample mean

Question

QUESTION 2 samples of sice N 100 wo could say the disr bution of the sample means is normal with 0.02 0.02 V100 10 0.002 O True False QUESTION 2 points Save An samples of size N- 25 we could say the distribution of the sample means is normal wih to what? ·002 = 0.004 0.02 -0.0006 0p--0.02 QUESTION 4 Suppose that the mean time for an oil change at 10-minuts ol change jont is 114 minutes with a standard f a random sample of 25 oil changes i s selected, what s the mean of the sampling distribution of the sample mean?? 114-2.28

Explanation / Answer

Question 2: Correct Answer: True

Question 3. Correct answer: Option (B) 0.02 / sqrt(1000) = 0.00063245

Question 4: Correct answer: option (A) mu xbar = mu = 11.4

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