Math, asked by sanjanamostwantedamm, 4 months ago

bag contains black and white balls, such that the probability of picking a black ball is 4/7. If the probability of picking two black balls without replacing the first is 4/13, how many black balls are there in the bag?

Answers

Answered by RiyaSethi17

0

Answer:

hey mate!! here is your answer

Step-by-step explanation:

Probability of a white and then a black ball :

25

10

∗

24

15

=

4

1

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