Question 116067: Hi , i tryed to solve this question several times but i always end up with this answer 0.1115, i have a final in 2 days :D can you plz help me out? thnx very much the question is the following :
A fair coin is tossed 30 times , whats the probability that the coin will show heads fewer than 17 times?
thnx again
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! A fair coin is tossed 30 times , whats the probability that the coin will show heads fewer than 17 times?
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P(x<17) = binomcdf(30,(1/2),16) = 0.7077
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Cheers,
Stan H.
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