A bag contains 3 black balls and 2 red balls,a ball is picked at random and replaced. what is the probability they are both black?

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Solution:

3 black balls and 2 red balls.

Total balls = 5

2 balls are picked with replacement.

The probability they are both black $=\dfrac{3}{5}\times \dfrac{3}{5}=\dfrac{9}{25}$

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Question ID: mtid-4-stid-46-sqid-1969-qpid-439