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3 years ago

10

12 yellow balls and 7 red balls are placed in an urn. two balls are then drawn in succession without replacement. what is the pr

obability that the first ball drawn is a red ball if the second ball drawn is yellow?

1 answer:

xxMikexx [17]3 years ago

6 0

Total number of balls = 12 + 7 = 19

p(first ball is a red) = 7/19

Answer: 7/19

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