Mathematics, 18.07.2020 22:01 imamnaab46
A political discussion group consists of 6 Democrats and 10 Republicans. Three members are selected to attend a conference. Find the probability that the group will consist of all Republicans.
Answers: 3
Mathematics, 22.06.2019 04:10
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
In which month was the peak, the largest deposit, made? january june july august
Answers: 1
Mathematics, 22.06.2019 07:00
Given log3^2=0.631 and log3^7=1.771, what is log3^14? a. 1.118b. 1.893c. 2.402d. 3.542
Answers: 1
A political discussion group consists of 6 Democrats and 10 Republicans. Three members are selected...
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