helma

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

Questions

The following questions were asked by visitors named helma.

Answers

The following answers were posted by visitors named helma.

determine the probability of selecting 2 red marbles. selecting a box contain 7 black ,3 red, and 5 purple marbles consider the two- stage experiment of randomly selecting a marble from the box
13 years ago