Asked by Anonymous
Binomial distribution if mean 10 AND VARIANCE 9 find mide
Answers
Answered by
MathMate
μ=np=10
σ²=npq=np(1-p)=9
Solve for n and p.
Hint:
substitute np in the second equation and solve for p. Hence solve for n.
σ²=npq=np(1-p)=9
Solve for n and p.
Hint:
substitute np in the second equation and solve for p. Hence solve for n.
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