om/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-UIVanmIVtUdpQ-rMf 19 7n7A3RWPHBTGkoltq
ID: 3062503 • Letter: O
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om/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-UIVanmIVtUdpQ-rMf 19 7n7A3RWPHBTGkoltqEEM1Su 5yCDHEPH MTH 122 B El MATH llosted ty ALEKS CoTP Quiz #4 Next Previous 12 3 45 Question 3 of 5 (1 point) Urn 1 contains 4 red balls and 1 black ball. Urn 2 contains 2 red balls and 1 black ball. Urn 3 contains 4 red balls and 2 black balls. If an urn is selected at random and a ball is drawn, find the probability that it will be red. Enter your answer as a fraction or a decimal rounded to 3 decimal places. P (red)Explanation / Answer
P(selecting an urn1) = P(selecting an urn2) =P(selecting an urn3) = 1/3
P(red) = 1/3*(4/5)+1/3*(2/3)+1/3*(4/6) = 0.71111
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