document.write( "Question 822677: Five out of 50 people called to give money to a charity actually agrees to give money. Based on this percentage, what is the probability that out of the next 25 people called:
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Algebra.Com's Answer #495017 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi,
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document.write( "Five out of 50 people called to give money to a charity actually agrees to give money.  p(success) = 5/50 = .1
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document.write( "BINOMIAL Distribution P(x) = nCx*  
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document.write( "where p and q are the probabilities of success and failure respectively. 
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document.write( "In this case p = .10 & q = .90 & n = 25   nCx = 
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document.write( "For ex:   P(x = 25) =
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document.write( "Recommend using Your TI calculator for cumulative probabilities.
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document.write( "and stattrek.com as an excellent reference. 
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document.write( "what is the probability that out of the next 25 people called:
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document.write( "a. At least two agree to give money? P(x≥2) = 1 - binomcdf(25, .10, 1)
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document.write( "b. At most 5 agree to give money?  P(x≤5) =  binomcdf(25, .10, 5)
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document.write( "c. More than 3 agree to give money? P(x>3) = 1 - binomcdf(25, .10, 3)
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