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3 years ago

11

A bag contains 19 white balls and 6 black balls. the balls are drawn with replacement. what is the expected number of white ball

s drawn before the 13 th black ball is drawn.

1 answer:

MrRissso [65]3 years ago

3 0

For every four white balls taken out one black ball is taken out so it would be the 52 white ball

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