Jingfan

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

Questions

The following questions were asked by visitors named Jingfan.

Answers

The following answers were posted by visitors named Jingfan.

You need a tree diagram. Make the branch Red Red =.22, and Red NRed=.33 and assign variables on the starting branches, then solve for the variable values.
3 years ago