document.write( "Question 1138812: Use a tree diagram: Suppose there is a 40% chance of rain tomorrow. If it rains, there is a
\n" ); document.write( "20% chance that all of the rides at an amusement park will be operating. If it doesn’t rain,
\n" ); document.write( "there is a 90% chance all of the rides will be operating. What is the probability that all of the
\n" ); document.write( "rides will be operating tomorrow? \n" ); document.write( "

Algebra.Com's Answer #756592 by ikleyn(52786) $\"\"$ $\"About$

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document.write( "0.4*0.2 + (1-0.4)*0.9 = 0.62 = 62%.     ANSWER\r\n" );
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