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If the sum of the mean and variance of a binomial distribution for 5 trials is `1.8`; find the distribution.

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If the sum of the mean and the variance of a binomial distribution for 5 trials is `1.8`, then p=`0.2`.
Explanation:
In Binomial distribution,
Mean `(\mu)=n p`
and variance `(\sigma^{2})=\{npq}`
Given, `\mu+\sigma^{2}=1.8`
`\{np}+\{npq}=1.8`
`n p+n p(1-p)=1.8`
...
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