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CBSE Class 12-science Answered

Four bad eggs are mixed with 10 good ones . three eggs are drawn one by one without replacement. Let X be the no of bad eggs  drawn . Find the mean and variance of X.

 

Asked by haroonrashidgkp | 07 Nov, 2018, 09:14: PM
Expert Answer
According to the question,
total number of eggs = 10 + 4 = 14
Bad eggs = 4
Let X be the number of bad eggs.
Hence, X can take value 0, 1, 2, 3, 4.
 
Now find mean and varaiance.
 
Answered by Sneha shidid | 12 Nov, 2018, 09:14: AM
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