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NARA [144]
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.
Mathematics
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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I worked them out separately if I'm correct, then the order is:

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