Posted by bwb on Thursday, May 6, 2010 at 11:59pm.
What are the odds against getting exactly two heads in three successive flips of a coin?
The odds for are: 2/3
but I do not know how to figure out the probability of odds against getting exactly two heads in three successive flips.

math: not sure how to figure out  Reiny, Friday, May 7, 2010 at 1:12am
"probability of odds" ? , no such thing
odds and probability are closely related
odds in favour of some event
= prob(event will happen) : prob(event will not happen)
so two heads in 3 flips could be
HHT
HTH
THH, which would be 3 cases out of the 8
prob of exactly two heads out of 3 = 3/5
prob of NOT exactly two heads out of 3 = 5/8
odds against exactly 2 heads out of 3 flips = 5:3

math: not sure how to figure out  help, Friday, February 22, 2013 at 5:25pm
Suppose a coin is biased so that it has the probilities below for landing on heads or tails on a single toss of the coin.
P(h)=0.5020 P(t)=0.4980
If this coin is tossed twice find the probability P(hh)
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