document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=313509>Question 313509</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The probability that brand A coffeemaker will brew bitter coffee is 0.3 and the probability that brand B coffeemaker will brew bitter coffee is 0.2.  Two cups of coffee are produced; one by coffeemaker A and the other by coffeemaker B.  Find the probability that:\r<BR>\n" );
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document.write( "(a) Both cups of coffee are bitter.	\r<BR>\n" );
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document.write( "(b) Only the cup from brand A is bitter.	\r<BR>\n" );
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document.write( "(c) Exactly one cup is bitter.	\r<BR>\n" );
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document.write( "(d) Neither cups of coffee is bitter.\r<BR>\n" );
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document.write( "Please help. My brain is dead and this is my last question on the homework. Here's what I got, but I don't think it's correct:<BR>\n" );
document.write( "(a) .2 x .3 = .06 or 6%<BR>\n" );
document.write( "(b) .3 or 30%<BR>\n" );
document.write( "(c) ?<BR>\n" );
document.write( "(d) .7 x .8 = .56 or 56%<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #224291 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=224291\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The probability that brand A coffeemaker will brew bitter coffee is 0.3 and the probability that brand B coffeemaker will brew bitter coffee is 0.2. Two cups of coffee are produced; one by coffeemaker A and the other by coffeemaker B. Find the probability that: <BR>\n" );
document.write( "(a) Both cups of coffee are bitter. <BR>\n" );
document.write( "(b) Only the cup from brand A is bitter. <BR>\n" );
document.write( "(c) Exactly one cup is bitter. <BR>\n" );
document.write( "(d) Neither cups of coffee is bitter. <BR>\n" );
document.write( "Please help. My brain is dead and this is my last question on the homework. Here's what I got, but I don't think it's correct:<BR>\n" );
document.write( "(a) .2 x .3 = .06 or 6%<BR>\n" );
document.write( "OK<BR>\n" );
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document.write( "(b) .3 or 30%<BR>\n" );
document.write( "No: 0.3*0.8 = 0.24 or 24%<BR>\n" );
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document.write( "(c) ?<BR>\n" );
document.write( "P(neither bitter) = 0.7*0.8 = 0.56<BR>\n" );
document.write( "P(both bitter) = 0.2*0.3 = 0.06<BR>\n" );
document.write( "P(one bitter) = 1 - (0.56+0.06) = 1-0.62 = 0.38<BR>\n" );
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document.write( "(d) .7 x .8 = .56 or 56%<BR>\n" );
document.write( "OK<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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