by Focus Tutoring | Mar 9, 2021 | GMAT, Probability, Quant

By: Rich Zwelling, Apex GMAT Instructor Date: 8th March, 2021 Independent vs. Dependent Probability As promised last time, we’ll return to some strict GMAT probability today. Specifically, we’ll discuss the difference between independent and dependent probability....
by Focus Tutoring | Jan 14, 2021 | Arithmetic, GMAT, Quant

Hey guys, today we’re going to take a look at the test averages problem. This is a very straightforward mathematically oriented average problem or at least it can be. But there are very strong graphic solution paths here and there’s also a really strong...