Mathematics, 04.04.2020 02:08, Nayerlin16
The strength of an aluminum alloy is normally distributed with mean 11 gigapascals ( GPa) and standard deviation 1.44 GPa. a. What is the probability that a specimen of this alloy will have a strength greater than 12.8 GPa
Answers: 3
Mathematics, 21.06.2019 19:30, bakaoffire
Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, β3) and (β6, β3). where would the upper vertices be on the grid?
Answers: 1
Mathematics, 21.06.2019 19:50, Roshaan8039
Prove (a) cosh2(x) β sinh2(x) = 1 and (b) 1 β tanh 2(x) = sech 2(x). solution (a) cosh2(x) β sinh2(x) = ex + eβx 2 2 β 2 = e2x + 2 + eβ2x 4 β = 4 = . (b) we start with the identity proved in part (a): cosh2(x) β sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 β sinh2(x) cosh2(x) = 1 or 1 β tanh 2(x) = .
Answers: 3
Mathematics, 22.06.2019 00:30, braydenmcd02
Hi iβm not sure how to do question 20 if u could explain how to do it thatβd b great
Answers: 1
Mathematics, 22.06.2019 02:10, netflixacc0107
The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? 0.62 0.78 0.84 0.96
Answers: 2
The strength of an aluminum alloy is normally distributed with mean 11 gigapascals ( GPa) and standa...
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