Mathematics, 04.07.2019 14:00 genesisdiaz1352
If the sina = 3/5 and the cosa = 4/5 , then what is tan a? a: 3/4 b: 1 c: 4/3
Answers: 2
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Identify this conic section. x2 - y2 = 16 o line circle ellipse parabola hyperbola
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Mathematics, 21.06.2019 23:00, Nathaliasmiles
Charlie tosses five coins. what is the probability that all five coins will land tails up.
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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
If the sina = 3/5 and the cosa = 4/5 , then what is tan a? a: 3/4 b: 1 c: 4/3...
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