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CLT for the binomial

Let X be binomial with parameters n=49 and p=1/10.

The mean of X is:
unanswered
 
The standard deviation of X is:
unanswered
 
The CLT, together with the 1/2-correction, suggests that

P(X=6)≈
unanswered
You may want to refer to the normal table.
5 years ago

Answers

oooo you cheater
a) mean of X = n * p = 4.9
q = 1 - p
b) stdr of X = sqrt(npq) = sqrt(4.41) = 2.1

C) idk
4 years ago
Enjoy cheaters
c) 0.1661
4 years ago
Humble1
c) 0.1623 is the correct answer
4 years ago

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