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CBSE Class 12-science Answered

Two cards are drawn  from a well shuffled pack of 52 cards. Find the probability distribution of number of kings. Also compute the variance for the number of kings
Asked by haroonrashidgkp | 05 Nov, 2018, 09:37: PM
Expert Answer
Let X be the number of kings obatained.
Hence, X can take values 0, 1, 2
Totl number of ways to draw two cards is 52C2 
 
Now find V(X) = E(X2 ) - [E(X)]2
Answered by Sneha shidid | 08 Nov, 2018, 11:37: AM
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