The random variable $X$ has the binomial distribution $\mathrm{B}\left( 10,p \right)$ such that&

Question

The random variable $X$ has the binomial distribution $\mathrm{B}\left( 10,p \right)$ such that $\mathrm{P}(X=2)=0.0325$.[3] Write down an equation in terms of $p$ and find the value of p given that $p<0.4$.

Accepted Answer

(a) $45p^2(1-p)^8=0.0325$, $p=0.0304$

2013 IJC P2 Q8

2013 IJC P2 Q8

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