Mathematics, 21.01.2021 08:10, imtimthetatman
Help Please
An absolute value function with a vertex of (4,14) is negative on the interval (โโ,โ2). On what other interval is the function negative?
(10,โ)
(14,โ)
(โ2, 2)
(9,โ)
Answers: 2
Mathematics, 22.06.2019 00:30, janeou17xn
What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r โ 1, where a1 is the first term and r is the common ratio
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
Mathematics, 22.06.2019 12:10, sanafarghal
Let f(x, y, z) = (5ex sin(y))i + (5ex cos(y))j + 7z2k. evaluate the integral c f ยท ds, where c(t) = 8 t , t3, exp( t ) , 0 โค t โค 1. (note that exp(u) = eu.)
Answers: 1
Help Please
An absolute value function with a vertex of (4,14) is negative on the interval (โโ,โ2)....
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