Mathematics, 05.05.2021 07:40, CoolRahim9090
Which of the relations given by the following sets of ordered pairs is a function?
A. {(1,2),(2,3),(3,4),(2,1),(1,0)}
B. {(2,β8),(6,4),(β3,9),(2,0),(β5,3)}< br />
C. {(1,β3),(1,β1),(1,1),(1,3),(1,5)}
D. {(β2,5),(7,5),(β4,0),(3,1),(0,β6)}
Answers: 1
Mathematics, 22.06.2019 04:40, chl75
The discrete random variables x and y take integer values with joint probability distribution given by f (x, y) = a(yβx+1) 0 β€ x β€ y β€ 2 or =0 otherwise, where a is a constant. 1 tabulate the distribution and show that a = 0.1.2 find the marginal distributions of x and y. 3 calculate cov(x, y).4 state, giving a reason, whether x and y are independent. 5 calculate e(y|x = 1).
Answers: 2
Which of the relations given by the following sets of ordered pairs is a function?
A. {(1,2),(2,3)...
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