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.

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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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.

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