SAT, 23.06.2020 16:01 mariaaaaa69
The ages of commercial aircraft are normally distributed with a mean of 13.5 years and a standard deviation of 7.0447 years. What percentage of individual aircraft have ages between 11 years and 16 years? Assume that a random sample of 81 aircraft is selected and the mean age of the sample is computed. What percentage of sample means have ages between 11 years and 16 years?
Answers: 3
SAT, 27.06.2019 23:00, tiggyandrep2dbee
What is 7/81 as a percentage? round your answer to the nearest tenth of a percent.
Answers: 1
SAT, 29.06.2019 10:00, Nell3856
At work claire has a deadline that is rapidly approaching as she works she finds that she is doing more work in a shorter amount of time than usual she thinks more quickly and her senses and memory are sharper what is responsible for claire working more efficiently
Answers: 2
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