Mathematics, 03.12.2021 16:30, evanwall91
The human resources department of a consulting firm gives a standard creativity test to a randomly selected group of new hires every year. This year, new hires took the test and scored a mean of points with a standard deviation of . Last year, new hires took the test and scored a mean of points with a standard deviation of . Assume that the population standard deviations of the test scores of all new hires in the current year and the test scores of all new hires last year can be estimated by the sample standard deviations, as the samples used were quite large. Construct a confidence interval for , the difference between the mean test score of new hires from the current year and the mean test score of new hires from last year. Then find the lower limit and upper limit of the confidence interval.
Answers: 3
Mathematics, 21.06.2019 18:00, sweetbri7p5v6tn
Lv beethoven software supplies customized software to a managed healthcare system. lv beethoven software's costs for the software is $1,723,000. lv beethoven software sells the software to the healthcare system for $3,816,981.10. overhead expenses are estimated at 47% of the selling price. what is lv beethoven software's net profit to the nearest dollar?
Answers: 1
Mathematics, 21.06.2019 22:00, michelle7511
The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.
Answers: 1
The human resources department of a consulting firm gives a standard creativity test to a randomly s...
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