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Sonja [21]
2 years ago
9

Starting with blue balls, in each of sequential rounds, we remove a random ball and replace it with a new red ball. for example,

after the first round we have 9 blue balls and one red ball, after the second round, with probability we have 8 blue balls and 2 red balls, and with probability we have 9 blue balls and one red ball, etc. what is the probability that the ball we remove at the 11th round is blue
Mathematics
1 answer:
KATRIN_1 [288]2 years ago
7 0

The probability that the ball we remove at the 11th round is blue will be 0.6.

<h3>How to calculate probability?</h3>

From the information given, we remove a random ball and replace it with a new red ball. for example, after the first round we have 9 blue balls and one red ball.

Since we have 9 blue balls and remove one every round. Let's assume that the number of blue and red balls will be 6 and 4 respectively in the 11 the round

Therefore, the probability that the ball we remove at the 11th round is blue will be:

= 6/(6 + 4)

= 6/10

= 0.6

Learn more about probability on:

brainly.com/question/24756209

#SPJ1

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