Mathematics, 13.08.2021 15:40 Batzs3rdacct
From a population of size 600, a simple random sample of size 58 is selected. The sample mean is 400, and the sample standard deviation is 40. An approximate 95% confidence interval for the population total is . a. 350 to 400 b. 350,000 to 450,000 c. 234,010 to 245,990 d. 390 to 409
Answers: 2
Mathematics, 21.06.2019 22:30
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
From a population of size 600, a simple random sample of size 58 is selected. The sample mean is 400...
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