f(x,y) = 2/7(2x + 5y) for 0 < x < 1, 0 < y < 1...

f(x,y) = 2/7(2x + 5y) for 0 < x < 1, 0 < y < 1

given X is the number of students who get an A on test 1

given Y is the number of students who get an A on test 2

find the probability that more then 90% students got an A test 2 given that 85 % got an A on test 1

Expert Solution

orchestra answered 1 year ago

Given f(x) = 1 x 2 − 1 , f 0 (x) = −2x (x 2...

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