Q.

A sample space consists of 3 sample points with associated probabilities given as 2p, p2, 4p - 1. Then the value of p is

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a

p=11−3

b

10−3

c

14

d

none of these

answer is A.

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Detailed Solution

p2+2p+4p−1=1          (Exhaustive)p2+6p−2=0or    p=−3±11=11−3
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A sample space consists of 3 sample points with associated probabilities given as 2p, p2, 4p - 1. Then the value of p is