Question 522062: A coin is tossed 300 times. What is the probability that heads will appear more than 140 times & less than 150 times?
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! A coin is tossed 300 times. What is the probability that heads will appear more than 140 times & less than 150 times?
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Binomial Problem with n = 300 and p = 1/2
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P(141<= x <=149) = binomcdf(300,1/2,149)-binomcdf(300,1/2,140) = 0.3407
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Cheers,
Stan H.
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