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Mathematics, 03.01.2020 03:31, jennaaswad088
The average score of 100 teenage boys playing a computer game was 80,000 with a population standard deviation of 20,000. what is the 95% confidence interval for the true mean score of all teenage boys?
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Answers: 3
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Question 1 of 10 2 points different groups of 50 graduates of an engineering school were asked the starting annual salary for their first engineering job after graduation, and the sampling variability was low. if the average salary of one of the groups was $65,000, which of these is least likely to be the average salary of another of the groups? o a. $64,000 o b. $65,000 o c. $67,000 o d. $54,000
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Mathematics, 21.06.2019 22:30, badpotterchris
60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums. what is the probability that the applicant who gets the job plays drums or guitar?
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