lanya

This page lists questions and answers that were posted by visitors named lanya.

Questions

The following questions were asked by visitors named lanya.

A box contain 3 red balls and 6 white balls. One ball was pulled and was seen its collar, and after that was pulled another ball.Find the probability that the first ball was white and the second was red ?
10 years ago

Answers

The following answers were posted by visitors named lanya.

A box contain 3 red balls and 6 white balls. One ball was pulled and was seen its collar, and after that was pulled another ball.Find the probability that the first ball was white and the second was red ?
10 years ago