Questions
A random variable X takes the values – 2, -1, 1 and 2 with probabilities and respectively then
detailed solution
Correct option is B
0≤1−a4≤1⇒0≤1−a≤4⇒0−1≤−a≤3⇒-3≤a≤10≤1+2a4≤1⇒0≤1+2a≤4⇒−1≤2a≤3⇒−12≤a≤32 0≤1−2a4≤1⇒0≤1−2a≤4⇒−1≤−2a≤3⇒-32≤a≤120≤1+a4≤10≤1+a≤40≤a≤3therefore a∈−12,12Talk to our academic expert!
Similar Questions
The probability that a person will get an electric contract is and the probability that he will not get plumbing
contract is .If the probability of getting at least one contract is , the probability that he will get both the contracts is k , then 105k is
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