cistG

2021-08-15

An urn contains 5 white and 10 black balls. A fair die is rolled and that number of balls is randomly chosen from the urn. What is the probability that all of the balls selected are white? What is the conditional probability that the die landed on 3 if all the balls selected are white?

insonsipthinye

Skilled2021-08-16Added 83 answers

1.Events:

A- ll of the choose balls are white

Probabilities:

Since the die is fair:

If the die rolls i we choose a combination of i balls, among black and five white balls, therefore

Calculate:

2.

Substituting

Jeffrey Jordon

Expert2021-10-11Added 2605 answers

A-event that all balls drawn are white

Vasquez

Expert2023-05-27Added 669 answers

RizerMix

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