Ask a New Question

A jar contains 2 red balls, 2 blue balls, 2 green balls and 1 orange ball. Balls are randomly selected, without replacement, until 2 of the same colour are obtained. Calculate the probability that more than 3 balls must be selected.

2 answers

the answer is 7/15

sfsdf

Ask a New Question or answer this question.

Similar Questions

An urn contains 10 red balls, 6 green balls, 15 orange balls, and 14 blue balls.If one ball is randomly drawn from the urn, what
1. 1 answer
An urn contains 10 red balls, 6 green balls, 15 orange balls, and 14 blue balls.If one ball is randomly drawn from the urn, what
1. 2 answers
A jar contains 2 red balls, 2 blue balls, 2 green balls and 1 orange ball. Balls are randomly selected, without replacement,
1. 1 answer
A jar contains 7 red balls, 5 green balls, 4 blue balls, and 3 white balls. A sample of size 7 balls is selected at random
1. 1 answer

more similar questions