CBSE Class 12 Math 2019 Delhi Set 1 Solved Paper

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Question : 12
Total: 29
A die is thrown 6 times. If "getting an odd number" is a "success", what is the probability of (i) 5 successes ? (ii) atmost 5 successes?
OR
The random variable X has a probability distribution P(X) of the following form, where 'k ' is some number.
P(X=x)={
k if x=0
2k if x=1
3k if x=2
0 otherwise
.

Determine the value of ' k '.
Solution:  
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