document.write( "Question 1209507: Recall that there are 4 suits - spades, hearts, clubs, and diamonds - in a standard deck of playing cards. Suppose you play a game in which you draw a card, record the suit, replace it, shuffle, and repeat until you have observed 10 cards. Define X = numbers of spades observed.\r
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Algebra.Com's Answer #849018 by mccravyedwin(407)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Probability of getting a spade = 1/4\r\n" );
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document.write( "That's a cumulative binomial distribution problem\r\n" );
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document.write( "Got a TI-84?\r\n" );
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document.write( "2nd, vars, scroll to binomcdf enter \r\n" );
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document.write( "trials:10\r\n" );
document.write( "p:1/4\r\n" );
document.write( "x value:3\r\n" );
document.write( "Paste\r\n" );
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document.write( "Scroll to Paste\r\n" );
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document.write( "enter\r\n" );
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document.write( "see binomcdf(10,1/4,3)\r\n" );
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document.write( "enter\r\n" );
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document.write( "0.7758750914 round to 0.776\r\n" );
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document.write( "Edwin
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