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probability

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Source: — Problem Solving |

Re: probability

by x2suresh » Tue Feb 24, 2009 8:43 pm
sweta_smile wrote:If i toss a coin 5 times, What is the probability that i will get heads on any of the 2 tosses?
=5C2* (1/2)^2*(1/2)^3 = 10/2^5 = 5/16
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by sweta_smile » Wed Feb 25, 2009 9:52 am
how did you get this??
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by Mr2Bits » Wed Feb 25, 2009 10:04 am
sweta_smile wrote:how did you get this??

Combinations formula nCk = N!/K!(n-k)!

and

Binomial Theory
https://www.beatthegmat.com/probability- ... 15621.html
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