Mathematics, 25.03.2021 20:00, alex43079
1. Liola drives 130 m up a hill that has a slope of 7°. What horizontal distance, to the nearest hundredth of a
meter, has she covered?
O 129.03 m
O 15.84 m
O 15.96 m
O 130.97 m
Answers: 1
Mathematics, 22.06.2019 03:00, ariano76
A. find the power of the test, when the null hypothesis assumes a population mean of mu = 450, with a population standard deviation of 156, the sample size is 5 and the true mean is 638.47 with confidence intervals of 95 b. find the power of the test, when the null hypothesis assumes a population mean of mu = 644, with a population standard deviation of 174, the sample size is 3 and the true mean is 744.04 with confidence intervals of 95% c. find the power of the test, when the null hypothesis assumes a population mean of mu = 510, with a population standard deviation of 126, the sample size is 10 and the true mean is 529.44 with confidence intervals of 95
Answers: 2
Mathematics, 22.06.2019 04:10, kernlife
You are in charge of the customer service phone line with many employees. at the end of each phone callthe customers are asked to rate their service from 1 to 5 stars, with 5 being the best. you find the averagerating for 20 randomly selected employees and decide you want to improve the ratings so you require thoseemployees to go through a new training program. you then wait a week and find the new average rating foreach employee. the average change is an increase in 1.3 stars with a standard devation of .9 stars.(a) is this data paired or not paired? (b) what are the null and alternative hypothesis being tested? (c) what is the t-statistic you would use? write the general formula and the final calculation.(d) sketch a t-distribution, label your t-statistic and the probability you would be interested in:
Answers: 2
Mathematics, 22.06.2019 04:30, mxrvin1350
What is the measure of angle lkj ? round to the nearest whole degree
Answers: 1
1. Liola drives 130 m up a hill that has a slope of 7°. What horizontal distance, to the nearest hun...
Health, 30.03.2020 11:15
Mathematics, 30.03.2020 11:15
English, 30.03.2020 11:15
Mathematics, 30.03.2020 11:16
Mathematics, 30.03.2020 11:16
Social Studies, 30.03.2020 11:16
Mathematics, 30.03.2020 11:16