For 30 randomly selected Rolling Stones concerts, the mean gross
earnings is 2.55 million dollars. Assuming a population standard
deviation gross earnings of 0.55 million dollars, obtain a 99%
confidence interval for the mean gross earnings of all Rolling
Stones concerts (in millions).
Confidence interval: (
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,
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).
b) Which of the following is the correct interpretation for your
answer in part (a)?
A. There is a 99% chance that the mean gross
earnings of all Rolling Stones concerts lies in the interval
B. We can be 99% confident that the mean gross
earnings for this sample of 30 Rolling Stones concerts lies in the
interval
C. We can be 99% confident that the mean gross
earnings of all Rolling Stones concerts lies in the interval
D. None of the above
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