Mathematics, 02.12.2019 22:31 babyduckies37
Two baseball players had their career records compared. in 267 times at bat. one player hit 85 home runs. in 248 times at bat, the other player hit 89 home runs. assume the number of home runs follows a binomial distribution, is there a statistically significant difference with 95% confidence between the home run averages for these two baseball players?
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Mathematics, 21.06.2019 13:20
Figure abcd is a parallelogram. if point c lies on the line x = 2, what is the y-value of point c?
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Mathematics, 21.06.2019 19:30
You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?
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Mathematics, 21.06.2019 19:50
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 00:00
Subtract and simplify. (-y^2 β 4y - 8) β (-4y^2 β 6y + 3) show how you got the answer if your answer is right i will mark you
Answers: 1
Two baseball players had their career records compared. in 267 times at bat. one player hit 85 home...
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