If the mean and the variance of a binomial variate X are 2 and 1 respectively, then the probability that X takes a value greater than or equal to one is :
As we have learnt,
Binomial Distribution(Statistical) -
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Binomial Distribution -
In a series of n independent trials if the probability of success P in each trial is same, then the probapility of r success is
- wherein
Where is probability of failure.
where,
So,
Option 1)
Option 2)
Option 3)
Option 4)
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