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A random variable Y has the following distribution Y -1 0 1 2 P.pdf
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A random variable Y has the following distribution:
Y -1 0 1 2
P(Y) 3C 2C 0.4 0.1
The value of the constant C is:
(a) 0.10
(b) 0.15
(c) 0.20
(d) 0.25
(e) 0.75
Solution
3c+2c+0.4+0.1=1 5c+0.5=1 5c=0.5 c=0.1 so the answer is A.
A random variable Y has the following distribution Y -1 0 1 2 P.pdf
A random variable Y has the following distribution:
Y -1 0 1 2
P(Y) 3C 2C 0.4 0.1
The value of the constant C is:
(a) 0.10
(b) 0.15
(c) 0.20
(d) 0.25
(e) 0.75
Solution
3c+2c+0.4+0.1=1 5c+0.5=1 5c=0.5 c=0.1 so the answer is A