Mathematics, 19.09.2019 19:50, LILYTH8413
Ametal alloy that is made up of 15% aluminum is combined with a metal alloy that is 35% aluminum. if the result is 400 kilograms of 27.5% of aluminum alloy, then how much of each alloy was used?
Answers: 1
Mathematics, 21.06.2019 20:30, Cheyenne8694
Stacey filled her 1/2 cup of measuring cup seven times to have enough flour for a cake recipe how much flour does the cake recipe calls for
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
Mathematics, 22.06.2019 05:20, necolewiggins1043
Which expression gives the distance between the two points 2 5 and 4 8
Answers: 1
Ametal alloy that is made up of 15% aluminum is combined with a metal alloy that is 35% aluminum. if...
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