Find the quotient
2/5÷3/4...
Answers: 3
Mathematics, 21.06.2019 16:40
What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units
Answers: 2
Mathematics, 21.06.2019 23:20
Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?
Answers: 1
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 06:00
In a rational number twice the numerator is 2 more than the denominator. if 3 is added to each, numerator and the denominator, the new fraction is 2/3. find the original number
Answers: 1
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