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Let X represent the difference betwee...

Let X represent the difference between the number of heads and the number of tails obtained when a coin is tossed 6 times. What are possible values of X?

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In 6 throw of one coin
No. : 0,1,2,3,4,5,6
No. of tails: 6,5,4,3,2,1,0
Difference: 6,4,2,0,2,4,6
Therefore required difference `=0,2,4,6`
`implies` Possible values of `X=0,2,4,6`
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NAGEEN PRAKASHAN ENGLISH-PROBABIILITY-Exercise 13.4
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