CBSE Class 12 Math 2019 All India Set 1 Solved Paper

Question : 12 of 29

Marks: +1, -0

Let

{\X}

be a random variable which assumes values

{\x}_1, {\x}_2, {\x}_3, {\x}_4

such that

2 {\P} ( {\X}= {\x}_1) =3 {\P} ( {\X}= {\x}_2) = {\P} ( {\X}= {\x}_3) =5 {\P} ( {\X}= {\x}_4) \;\text ". "\;

Find the probability distribution of

{\X}

.
OR
A coin is tossed 5 times. Find the probability of getting (i) at least 4 heads, and (ii) at most 4 heads.

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