How Many Unpopped Kernels Are Left When You Pop a Bag

question 58

Multiple Choice

How many unpopped kernels are left when you pop a bag of microwave popcorn? Quality control personnel at Yummy Popcorn take a random sample of 80 bags of popcorn.They pop each bag in a microwave and then count the number of unpopped kernels.The following interval is produced: t-interval for μ : with 99% Confidence,
11 < μ(unpopped) < 25

• A)The average number of unpopped kernels in a bag of Yummy popcorn is between 11 and 25 kernels.
• B)We are 99% sure that the average number of unpopped kernels in bags of Yummy brand popcorn is between 11 and 25 kernels.
• C)We are 99% confident that the average number of unpopped kernels in microwave popcorn bags is between 11 and 25.
• D)99% of all samples of Yummy popcorn will produce this confidence interval.
• E)About 99% of the sampled bags had between 11 and 25 unpopped kernels.

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