Mathematics, 05.03.2021 23:50, bamozer152
13. Test Scores Which is a better relative position, a
score of 83 on a geography test that has a mean of 72
and a standard deviation of 6, or a score of 61 on an
accounting test that has a mean of 55 and a standard
deviation of 3.5?
Answers: 1
Mathematics, 21.06.2019 17:30, rjsimpson73
Ined this is due tomorrow and i dont know the answer can you find all the exponents
Answers: 1
Mathematics, 21.06.2019 19:50, Roshaan8039
Prove (a) cosh2(x) ā sinh2(x) = 1 and (b) 1 ā tanh 2(x) = sech 2(x). solution (a) cosh2(x) ā sinh2(x) = ex + eāx 2 2 ā 2 = e2x + 2 + eā2x 4 ā = 4 = . (b) we start with the identity proved in part (a): cosh2(x) ā sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 ā sinh2(x) cosh2(x) = 1 or 1 ā tanh 2(x) = .
Answers: 3
13. Test Scores Which is a better relative position, a
score of 83 on a geography test that has a m...
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