document.write( "Question 483170: Please help,-Suppose we want to determine the (binomial) probability (p) of getting 4 heads in 10 flips of a 2-sided coin. Using Table 2 in Appendix B of the text, what values of n, x, and p would we use to look up this probability, and what would be the probability? \n" ); document.write( "
Algebra.Com's Answer #330680 by Edwin McCravy(20060)\"\" \"About 
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document.write( "n=10, x=4, p=.5\r\n" );
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document.write( "If your binomial probability tables are cumulative, which most are, then you\r\n" );
document.write( "will have to\r\n" );
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document.write( "1. look up the probability with n=10, x=4, p=.5 and find .3770 which is the\r\n" );
document.write( "probability that you will get 4 or 3 or 2 or 1 or 0 heads,\r\n" );
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document.write( " and then\r\n" );
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document.write( "2. look up the probability with n=10, x=3, p=.5 and find .1719 which is the\r\n" );
document.write( "orobability that you will get 3 or 2 or 1 or 0 heads,\r\n" );
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document.write( "and then\r\n" );
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document.write( "3. subtract the result from 2 from the result of 1. .3770 - .1719\r\n" );
document.write( " and get .2051\r\n" );
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document.write( "[If your binomial table is not cumulative you will read it directly as\r\n" );
document.write( " .2051 with n=10, x=4, p=.5]\r\n" );
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document.write( "Edwin
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