SOLUTION: 5. There is a bag with 58 balls. 29 are blue and 29 are red. In 20 pulls from the bag, 20 balls are red. What is the probability with replacement that the 21st pull will be red?

SOLUTION: 5. There is a bag with 58 balls. 29 are blue and 29 are red. In 20 pulls from the bag, 20 balls are red. What is the probability with replacement that the 21st pull will be red?

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Question 1095605: 5. There is a bag with 58 balls. 29 are blue and 29 are red. In 20 pulls from the bag, 20 balls are red.
What is the probability with replacement that the 21st pull will be red?
Answer by greenestamps(13215) (Show Source): You can put this solution on YOUR website!

With replacement, the probability remains the same, regardless of the results of previous trials.

On the 21st trial, as on all the other trials, the probability of pulling a red ball is 1/2.
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