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## Statistics

### Mathematics

#### Previous Years Questions

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The mean and variance of a binomial distribution are 4 and 2 respectively. Then the probability of exactly two successes...
WB JEE 2021
Mean of n observations x1, x2, ...., xn is $$\overline x$$. If an observation xq is replaced by xq' then the new mean i...
WB JEE 2017

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