Question 4 GRE Practice Exam 1 - Section 2 (Quant, Hard)

GRE Quant Problem Solving
1

This may be a very pedantic and/or stupid question but for the question below:

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as quantity A is P(60 < W < 80) not P(60 ≤ W ≤ 80), is there not the infinitesimaly small distribution that is exactly equal to 80 and 60 which makes B ever so slightly larger?

2

It’s a continuous distribution, so the “infinitesimally small distribution” is zero.

3

Ah thank you, I’d not realised this until looking it up that a continuous distribution has zero probability of being a single discrete value.