document.write( "Question 875416: The weather forcaster has predicted that there is a 25% probability of rain on any of the next 4 days. What is the probability that it will rain at least twice? \n" ); document.write( "

Algebra.Com's Answer #528222 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( "p(rain) = .25, n = 4
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document.write( "P(x >= 2) = 1 - binomcdf(4, .25, 1) = .2617  (Recommend Using TI)
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document.write( "Or P(x >= 2) = P(2) + P(3) + P(4)
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document.write( "Using 
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document.write( "p and q are the probabilities of success and failure respectively. 
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document.write( "In this case p= .25, q = .75,  n=4
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