Multiple Choice
How much fat do reduced fat cookies typically have? You take a random sample of 51 reduced-fat cookies and test them in a lab,finding a mean fat content of 4.2 grams.You calculate a 95% confidence interval and find that the margin of error is ±0.8 grams.
A) You are 95% confident that the mean fat in reduced fat cookies is between 3.4 and 5 grams of fat.
B) We are 95% confident that the mean fat in all cookies is between 3.4 and 5 grams.
C) 95% of the cookies in the sample had between 3.4 and 5 grams of fat.
D) We are 95% sure that the average amount of fat in the cookies in this study was between 3.4 and 5 grams.
E) 95% of reduced fat cookies have between 3.4 and 5 grams of fat.
Correct Answer:
Verified
Correct Answer:
Verified
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