document.write( "Question 1178202: Suppose in a game of basketball, Bryan has a 70% probability of making a free throw. Over a game, he attempts 4 free throws. What is the probability that he will miss at least one of them? \n" ); document.write( "

Algebra.Com's Answer #807388 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi\r\n" );
document.write( "Binomial distribution:  p(success) = .70  and q = .3 (missing)\r\n" );
document.write( "4 trials\r\n" );
document.write( "Using TI or similarly an inexpensive calculator like a Casio fx-115 ES plus\r\n" );
document.write( "probability that he will miss at least one of them? \r\n" );
document.write( "Demonstrates must read problem carefully.\r\n" );
document.write( "probability that he will miss at least one of them: \r\n" );
document.write( "Using .3 as probability of missing:\r\n" );
document.write( "P( x ≥ 1) = 1 - P(x = 0) = 1 - binompdf(4, .3, 0) = 1 - .2401 = .7599\r\n" );
document.write( "Or\r\n" );
document.write( "Using .7 as probability of making:\r\n" );
document.write( " \r\n" );
document.write( " 1 - P(x=4) = 1-.2401 = .7599\r\n" );
document.write( "Wish You the Best in your Studies.\r\n" );
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