(New page: Binomial RV: many biased coins. p - probability of heads in one toss. N - number of tosses. E[X] = (N)(p) E[Y] = N - (N)(p) = N (1 - p) Y seems to be just like X, except with probabilit...) |
m (4.2 Part A Virgil Hsieh moved to 4.1a Virgil Hsieh: Improperly named originally) |
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Latest revision as of 07:41, 15 October 2008
Binomial RV: many biased coins.
p - probability of heads in one toss. N - number of tosses.
E[X] = (N)(p) E[Y] = N - (N)(p) = N (1 - p)
Y seems to be just like X, except with probability (1 - p).
Conclusion: Y is a binomial RV with parameters N and (1 - p).
