SOLUTION: A fair coin is tossed 500times,find the probability that the number of heads will not differ from 250 by (1)more than 10 (2)more than 30

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Question 605416: A fair coin is tossed 500times,find the probability that the number of heads will not differ from 250 by (1)more than 10 (2)more than 30
Answer by stanbon(57354) About Me  (Show Source):
You can put this solution on YOUR website!
A fair coin is tossed 500times,find the probability that the number of heads will not differ from 250 by (1)more than 10 (2)more than 30
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Binomial Problem with n = 500 and p(heads) = 1/2
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P(240<= x <= 260) = binomcdf(500,1/2,260) - binomcdf(500,1/2,240) = 0.6284
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P(220<= x <= 280) = same procedure
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Cheers,
Stan H.
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