What does the confidence interval tell about the population of all adult females? Select the correct choice below and, if necessary, fill in the answer box (es) to complete your choice. A. We are 90 % confident that the interval from nothing to nothing actually contains the true mean attractiveness rating of all adult females. (Round to one decimal place as needed.) B. We are confident that 90 % of all adult females have attractiveness ratings between nothing and nothing. (Round to one decimal place as needed.) C. The results tell nothing about the population of all adult females, because participants in speed dating are not a representative sample of the population of all adult females.

Question

Mathematics

Mckenzie Floyd

2 September, 07:43

What does the confidence interval tell about the population of all adult females? Select the correct choice below and, if necessary, fill in the answer box (es) to complete your choice. A. We are 90 % confident that the interval from nothing to nothing actually contains the true mean attractiveness rating of all adult females. (Round to one decimal place as needed.) B. We are confident that 90 % of all adult females have attractiveness ratings between nothing and nothing. (Round to one decimal place as needed.) C. The results tell nothing about the population of all adult females, because participants in speed dating are not a representative sample of the population of all adult females.

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Answers (1)

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Chucky · Answer 1

A. We are 90% confident that the interval from nothing to nothing actually contains true mean attractiveness rating of all adult females.

Step-by-step explanation:

The population is set of items which are similar in nature and that are to be observed for an outcome. The Confidence Interval is a defined probability that the parameters lies in this range. Population parameter is quantity which enters in probability distribution of random variable. In the given question the confidence interval is 90% which means the parameters lies within this range.