document.write( "Question 1197156: According to flightstats.com, American Airlines flights from Dallas to Chicago are on time 78.2% of the time.\r
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\n" ); document.write( "\n" ); document.write( "Calculate the probability that 9 or fewer of the selected flights were on time. Enter your answer as a decimal rounded to four decimal places.
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Algebra.Com's Answer #830288 by ikleyn(52800) $\"\"$ $\"About$

You can put this solution on YOUR website!
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document.write( "It is a standard binomial distribution problem.\r\n" );
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document.write( "Number of trials is 15; number of success trials <= 9; the probability of each success trial is p=0.782.\r\n" );
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document.write( "The standard formula is\r\n" );
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document.write( "    P = P(n=15; k <= 9; p= 0.782) =  = .\r\n" );
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document.write( "     To facilitate my calculations, I used online calculator at this site  https://stattrek.com/online-calculator/binomial.aspx\r\n" );
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document.write( "     It provides nice instructions  and  a convenient input and output for all relevant options/cases.\r\n" );
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document.write( "          The resulting number is P = 0.08719  (rounded).    ANSWER\r\n" );
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\n" ); document.write( "\n" ); document.write( "If you want to see many similar (or different) solved problems, look into the lessons\r
\n" ); document.write( "\n" ); document.write( "    - Simple and simplest probability problems on Binomial distribution \r
\n" ); document.write( "\n" ); document.write( "    - Typical binomial distribution probability problems \r
\n" ); document.write( "\n" ); document.write( "    - How to calculate Binomial probabilities with Technology (using MS Excel) \r
\n" ); document.write( "\n" ); document.write( "    - Solving problems on Binomial distribution with Technology (using MS Excel) \r
\n" ); document.write( "\n" ); document.write( "    - Solving problems on Binomial distribution with Technology (using online solver) \r
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\n" ); document.write( "\n" ); document.write( "After reading these lessons, you will be able to solve such problems on your own, \r
\n" ); document.write( "\n" ); document.write( "which is your PRIMARY MAJOR GOAL visiting this forum (I believe).\r
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