document.write( "Question 1175758: According to the last census, 45% of working women held full time jobs in 2010. If a random sample of 50 working women is drawn, what is the probability that 19 or more hold full time jobs? \n" ); document.write( "
Algebra.Com's Answer #801445 by ikleyn(52834)\"\" \"About 
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\n" ); document.write( "According to the last census, 45% of working women held full time jobs in 2010. If a random sample
\n" ); document.write( "of 50 working women is drawn, what is the probability that 19 or more hold full time jobs?
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document.write( "It is a binomial distribution probability problem.\r\n" );
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document.write( "    - number of trials        n =  50;\r\n" );
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document.write( "    - number of success trial k >= 19;\r\n" );
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document.write( "    - Probability of success on a single trial p = 0.45.\r\n" );
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document.write( "We need calculate  P(n=50; k>=19; p=0.45) = 0.531441.      \r\n" );
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document.write( "To facilitate calculations, I use an appropriate online (free of charge) calculator at this web-site \r\n" );
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document.write( "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( "    P(n=50; k>=19; p=0.45) = 0.87265488533,   or   0.8727 (rounded).       ANSWER\r\n" );
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\n" ); document.write( "\n" ); document.write( "To see a variety of similar 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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