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1 point
If mean and variance of a
Binomial distribution are 4 and
2 respectively, find probability
that no. of

By Faith

1 point
If mean and variance of a
Binomial distribution are 4 and
2 respectively, find probability
that no. of successes is 3 or 4.
O a) 0.2187
Ob) 0.1445
O c) 0.035156
O d) 0.49218975​

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Faith

A bag contain 6 red, 8black and 4 white ball is drawn at randon what is the probability that ball drawn is not black?
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if u=5 be the null hypothesis,then the left sided alternative hypothesis will be what?​

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