Suppose the Fat Content of a Hotdog Follows Normal Distribution

question 39

Multiple Choice

Suppose the fat content of a hotdog follows normal distribution.Ten random measurements give a mean of 21.77 and standard deviation of 3.69.The 90% confidence interval for the population variance of fat content of a hotdog is ________

• A)5.2 to 21.3
• B)7.2 to 36.9
• C)19.63 to 23.91
• D)19.85 to 23.69
• E)2.69 to 5.1

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Definitions:

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