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What is the probability
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A box contains 6 red and 1 blue balls. A second box contains 1 red and 4blue balls. One ball is removed from each box at random without replacement. All the remaining balls are put into the third box. What is the probability that a ball drawn randomly from the third box is blue?
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There are 20 balls of green color,20 balls of red color,20 balls of blue color,20 of balck,20 of yellow. How many u have to pick to guarantee 2pairs of same color? .
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One Card is randomly selected from a shuffled standard deck of 52 cards and then a quarter is flipped. Find the probability of obtaining a black card and a head on the quarter.
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Suppose that a medical test for a particular disease has a very high success rate: if a tested patient has the disease, the test accurately reports this, a'positive',99% of the time, and if a tested patient does not have the disease, the test accurately reports that, a'negative',95% of the time....
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Chose a point at random in a square with sides 0<x<1 and 0<y<1. Let X be the x coordinate and Y be the y coordinate of the point chosen. Find the conditional probability P(y<1/2 / y>x). View more questions Search
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