Question
Listed below are the amounts of net worth(in millions ofdollars) of the ten wealthiest celebrities in a country. Construct a 90% confidence interval. What does
Listed below are the amounts of net worth(in millions ofdollars) of the ten wealthiest celebrities in a country. Construct a 90% confidence interval. What does the result tell us about the population of allcelebrities? Do the data appear to be from a normally distributed population asrequired?
248
190
181
171
165
158
147
147
147
142
What is the confidence interval estimate of the population mean ?
$
nothing
million<<$
nothing
million
(Round to one decimal place asneeded.)
What does the result tell us about the population of allcelebrities? Select the correct choice belowand, ifnecessary, fill in the answerbox(es) to complete your choice.
A.
Because the ten wealthiest celebrities are not a representativesample, thisdoesn't provide any information about the population of all celebrities.
B.
We are confident that 90% of all celebrities have a net worth between $
nothing
million and $
nothing
million.
(Round to one decimal place asneeded.)
C.
We are 90% confident that the interval from $
nothing
million to $
nothing
million actually contains the true mean net worth of all celebrities.
(Round to one decimal place asneeded.)
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