Mathematics, 14.07.2020 23:01, Sallyjoe8381
A random sample of 82 college students were asked how many hours do they exercise in a typical week. The data was entered in the Statistix software and the descriptive statistics printouts is shown below:Descriptive StatisticsExerciseN 82Lo 93% CI 6.0925Mean 6.9878Up 93% CI 7.8831SD 4.4152Minimum 0.0000Median 6.5000Maximum 22.000Suppose it is desired to reduce the width of the confidence interval to get more accurate information. Which of the following will accomplish this goal?A. Decrease the reliability levelB. Decrease the sample sizeC. Decrease the alpha usedD. All of these would result in a narrower interval
Answers: 2
Mathematics, 21.06.2019 21:30, emilyplays474
Which of the following is a solution of z^6 = 64i? 2(cos105° + isin105°) 2(cos120° + isin120°) 2(cos135° + isin135°) 8(cos15° + isin15°)
Answers: 1
Mathematics, 21.06.2019 22:30, tdyson3p6xvtu
60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums, 28 play drums, 18 play the guitar. what is the probability that the applicant who gets the job plays drums or guitar?
Answers: 1
Mathematics, 22.06.2019 00:00, Averybeam300
If two parallel lines are cut by a transversal, interior angles on the same side of the transversal are supplementary. a. always b. sometimes c. never
Answers: 2
A random sample of 82 college students were asked how many hours do they exercise in a typical week....
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