Mathematics, 07.07.2019 07:30 tgamble1
For a store contest,4 out of every 65 people who visited the store will receive a free dvd. if 455 people visit the store, how many dvds were given?
Answers: 2
Mathematics, 21.06.2019 12:30, alyssahockett4
Will give brainliest! aubrey was offered a job that paid a salary of $45,000 in its first year. the salary was set to increase by 2% per year every year. if aubrey worked at the job for 20 years, what was the total amount of money earned over the 20 years, to the nearest whole number?
Answers: 1
Mathematics, 21.06.2019 19:20, joelpimentel
Which number line represents the solution set for the inequality - x 24?
Answers: 3
Mathematics, 21.06.2019 23:00, utjfkdndidndldn62121
Why is it so easy to buy on impulse and overspend with a credit card? what could you do to counteract this tendency?
Answers: 1
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
For a store contest,4 out of every 65 people who visited the store will receive a free dvd. if 455 p...
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