CBSE Class 12-science Answered
In binomial probability distribution, mean is 3 and standard deviation is
. Find the binomial distribution
![](http://images.topperlearning.com/topper/questions/13018_image009.gif)
Asked by Topperlearning User | 20 Aug, 2016, 03:09: AM
Mean = np = 3,
![q equals fraction numerator S. D squared over denominator n p end fraction equals 3 over 4](https://images.topperlearning.com/topper/tinymce/cache/6736a9df9a431b77b3f88b8e728267a0.png)
![p equals 1 fourth
n equals 12](https://images.topperlearning.com/topper/tinymce/cache/8a3fd7a7eeca2933095af5751e5473d3.png)
Hence, binomial distribution is
.
![left parenthesis p plus q right parenthesis to the power of n equals left parenthesis 1 fourth plus 3 over 4 right parenthesis to the power of 12](https://images.topperlearning.com/topper/tinymce/cache/6cfb79f18ecb6aaf899ab190a556c7d6.png)
Answered by | 20 Aug, 2016, 05:09: AM
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