22, 23, 2425 26 27 2812930 | | Next Previous Question 29 of 36 (1 point) View pr

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22, 23, 2425 26 27 2812930 | | Next Previous Question 29 of 36 (1 point) View problem in a pop-up Watch your cholesterol: The mean serum cholesterol level for U.S. adults was 198, with a standard deviation of 39.3 (the units are milligrams per deciliter). A simple random sample of 106 adults is chosen. Use the TI-84 calculator. Round the answers to four decimal places. Part 1 out of 3 What is the probability that the sample mean cholesterol level is greater than 205? The probability that the sample mean cholesterol level is greater than 205 is NEXT #7

Explanation / Answer

for normal distribution z score =(X-)/ here mean=       = 198.000 std deviation   == 39.3 sample size       =n= 106 std error=x=/n= 3.8172 probability = P(X>205) = P(Z>1.83)= 1-P(Z

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