Multiple Choice
Find the sample size.
-A manufacturer of cheese filled ravioli wants to make sure that its automatic filling
Process is on target. Based on a sample of 25 ravioli the mean weight of cheese filling is
Estimated to be 15 grams with a standard deviation of 1.5 grams. However, the quality
Control inspectors wish to estimate the mean weight of cheese filling more accurately so
That they can be 99% confident that it is within .25 grams of the true mean. How many
Ravioli should they sample?
A) 150
B) 543
C) 212
D) 410
E) 239
Correct Answer:
Verified
Correct Answer:
Verified
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