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Engineering Maths · Q71

Probability and Statistics

Engineering and GATE · Engineering Maths · question 71

Q71

The random variable X takes on the values 1, 2 (or) 3 with probabilities 2 + 5 P5, 1 + 3 P5 and 1.5 + 2 P5 respectively the values of P and E(X) are respectively.

The random variable X takes on the values 1, 2 (or) 3 with probabilities    and  respectively the values of P and E(X) are respectively.
A.
0.05, 1.87
Answer
B.
1.90, 5.87
C.
0.05, 1.10
D.
0.25, 1.40

Answer: Option A

Solution

Answer: Option A
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