Mathematics, 28.07.2019 03:00 needhelpasap8957
Directions: simplify each term by factoring. 1. 3rs 2. 12xy 3. 5x2 4. 36x2 5. 25x2 6. 30x2 7. 5x3 8. 24y3 9. 9xy 10. 12x4
Answers: 1
Mathematics, 21.06.2019 14:30, chintiffany4779
Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.
Answers: 3
Mathematics, 22.06.2019 03:00, webbhlharryteach
Out of five men and five women, we form a committee consisting of four different people. assuming that each committee of size four is equally likely, find the probabilities of the following events: 1. the committee consists of two men and two women 2. the committee has more women than men. 3. the committee has at least one man. for the remainder of the problem assume that alice and bob are among the ten people being considered. 4. both alice and bob are members of the committee.
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
Directions: simplify each term by factoring. 1. 3rs 2. 12xy 3. 5x2 4. 36x2 5. 25x2 6. 30x2 7....
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