document.write( "Question 1187420: When people buy a fish at a pet store the cashier can check off the color of the fish as mostly red, mostly orange or mostly yellow. Currently the probability of buying a red fish is 0.31, the probability of buying an orange fish is 0.23, and the probability of buying a mostly yellow fish is 0.13 (there are colors of fish other than red, orange, and yellow). Find the probability that the purchase of a randomly selected fish is either mostly red or mostly orange. \n" ); document.write( "

Algebra.Com's Answer #818403 by ikleyn(52906) $\"\"$ $\"About$

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\n" ); document.write( "When people buy a fish at a pet store the cashier can check off the color of the fish as mostly red,
\n" ); document.write( "mostly orange or mostly yellow.
\n" ); document.write( "Currently the probability of buying a red fish is 0.31, the probability of buying an orange fish is 0.23,
\n" ); document.write( "and the probability of buying a mostly yellow fish is 0.13 (there are colors of fish other than red, orange, and yellow).
\n" ); document.write( "Find the probability that the purchase of a randomly selected fish is either mostly red or mostly orange.
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document.write( "P(either mostly red OR mostly orange) = P(mostly red) + P(mostly orange) = 0.31 + 0.23 = 0.54,\r\n" );
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document.write( "since these events are assumed to be disjoint (= mutually exclusive) in this problem.\r\n" );
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