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prob

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Senior | Next Rank: 100 Posts
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Joined: Sat Sep 15, 2007 1:54 am

prob

by manasi_sh » Fri Oct 05, 2007 1:10 am
If positive integer n<=3 and n is the number of times a coin is flipped, what is the value of n?
(1)The probability of getting heads exactly once is 1/2

(2)The probability of getting at least one tail is greater than 1/2

Plz help n explain..
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Senior | Next Rank: 100 Posts
Posts: 69
Joined: Sat Sep 15, 2007 1:54 am

by manasi_sh » Sun Oct 07, 2007 7:28 am
tht was amazin..thnks a ton!!!
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