document.write( "Question 652628: The credit card industry has determined that about 65% of college students will be late making a minimum payment when paying their credit card every year at least once. If 10 randomly selected students who own a credit card is selected. \r
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\n" ); document.write( "\n" ); document.write( "What is the probability that more than 7 are late with their credit card payment?\r
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Algebra.Com's Answer #408039 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( "Re TY, Following can also be found using the Excel function BINOMDIST()
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document.write( "BIONOMIAL Distrubtion: P(late) = .65 , n = 10 
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document.write( "Using TI 83 Calculator
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document.write( "P(x ≤ 2) is binomcdf(10, .65, 2) 0r Excel function BINOMDIST(2,10,0.65,TRUE)
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document.write( "P(x > 7) = 1 - P(x ≤ 7) = 1 -  binomcdf(10, .65, 7)
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document.write( "0r                            = 1 - BINOMDIST(7,10,0.65,TRUE)
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document.write( "Plain calculator works as well using P = nCx*  
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document.write( "P(x ≤ 2) = P(x = 0) + P(x = 1)  + P(x = 2)
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document.write( "               = 10C0(.65^0)(.35)^10 + 10C1(.65)^1(.35)^9 + 10C2(.65)^2(.35)^8 
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document.write( "P(x > 7) = P(x = 8) + P(x = 9)  + P(x = 10)
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document.write( "Stattrek.com can also be used to check Your work \n" );
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