h) Find the probability that the sample mean cholesterol level of the 21 randomly selected women age 45-59 in Ghana, Nigeria, and Seychelles is more than 5.44 mmol/l. Round final answer to 4 decimal places. DO NOT use the rounded standard deviation from part e in this computation. Use the EXACT value of the standard deviation with the square root. i) Is a mean cholesterol level of 5.44 mmol/l unusually high for 21 randomly selected women age 45-59 in Ghana, Nigeria, and Seychelles? Select an answer j) If you found a mean cholesterol level for a sample of 21 women age 45-59 in Ghana, Nigeria, and Seychelles as high as 5.44 mmol/l, what might you conclude? Select an answer
h) Find the probability that the sample mean cholesterol level of the 21 randomly selected women age 45-59 in Ghana, Nigeria, and Seychelles is more than 5.44 mmol/l. Round final answer to 4 decimal places. DO NOT use the rounded standard deviation from part e in this computation. Use the EXACT value of the standard deviation with the square root. i) Is a mean cholesterol level of 5.44 mmol/l unusually high for 21 randomly selected women age 45-59 in Ghana, Nigeria, and Seychelles? Select an answer j) If you found a mean cholesterol level for a sample of 21 women age 45-59 in Ghana, Nigeria, and Seychelles as high as 5.44 mmol/l, what might you conclude? Select an answer
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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Transcribed Image Text:h) Find the probability that the sample mean cholesterol level of the 21 randomly selected women age 45-59 in
Ghana, Nigeria, and Seychelles is more than 5.44 mmol/l.
Round final answer to 4 decimal places.
DO NOT use the rounded standard deviation from part e in this computation.
Use the EXACT value of the standard deviation with the square root.
i) Is a mean cholesterol level of 5.44 mmol/l unusually high for 21 randomly selected women age 45-59 in Ghana,
Nigeria, and Seychelles?
Select an answer
j) If you found a mean cholesterol level for a sample of 21 women age 45-59 in Ghana, Nigeria, and Seychelles as
high as 5.44 mmol/l, what might you conclude?
Select an answer
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Transcribed Image Text:The mean cholesterol levels of women age 45-59 in Ghana, Nigeria, and Seychelles is 5.1 mmol/l and the standard
deviation is 1.0 mmol/l. AsSume that cholesterol levels are normally distributed and a random sample of 21
women are selected.
It is possible with rounding for a probability to be 0.0000.
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