Math, asked by sanskritichitkarau, 5 months ago

mean and variance of binomial distribution are 4 and 8/3 respectively find x​

Answers

Answered by Breezywind
3

BINOMIAL Distribution

Mean =np =4

Variance =np(1-p) =8/3

4(1-p) =8/3

(1-p)=8/3 ×1/4 =2/3

q=(1-p)=2/3 (p+q=1)

1--2/3 =P

P=1/3

np =4

n=4×3=12

Verification

npq =12 ×1/3 ×2/3 =8/3

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