document.write( "Question 1203385: When a person needs a minicab, it is hired from one of the three firms, X, Y and Z. The 40% of the hiring are from X, 50% are from Y and 10% are from Z, for the cabs hired from X, 9% arrive late, the corresponding percentages for the cabs hired from firms Y and Z being 6% and 20% respectively. Calculate the probability that the next cab hired:
\n" ); document.write( "1) :Will be from X and will not arrive late.
\n" ); document.write( " 2):Will arrive late given that a call is made for a minicab and that it arrives late, that it came from Y. \n" ); document.write( "

Algebra.Com's Answer #838903 by ikleyn(52908) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "When a person needs a minicab, it is hired from one of the three firms, X, Y and Z.
\n" ); document.write( "The 40% of the hiring are from X, 50% are from Y and 10% are from Z, for the cabs hired from X, 9% arrive late,
\n" ); document.write( "the corresponding percentages for the cabs hired from firms Y and Z being 6% and 20% respectively.
\n" ); document.write( "Calculate the probability that the next cab hired:
\n" ); document.write( "(1) Will be from X and will not arrive late.
\n" ); document.write( "(2) Will arrive late given that a call is made for a minicab and that it arrives late, that it came from Y.\r
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document.write( "(1)   P = 0.4*(1-0.09) = 0.4*0.91 = 0.364.    ANSWER\r\n" );
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document.write( "(2)  Question (2) in the post is formulated incorrectly.\r\n" );
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document.write( "     In that form as it is given in the post, it is simply soup of words, inappropriate for use (inedible).\r\n" );
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document.write( "           +-------------------------------------------+\r\n" );
document.write( "           |   It MUST be re-written to make sense.    |\r\n" );
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document.write( "     How it should be done, it is a care of the Math composer, not mine.\r\n" );
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\n" ); document.write( "\n" ); document.write( "Part (1) is solved. \r
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\n" ); document.write( "\n" ); document.write( "Part (2) is defective.\r
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