Source: Official Guide for GMAT Review 2016 Problem Solving; #202

1

The probability is 1/2 that a certain

The probability is 1/2 that a certain coin will turn up heads on any given toss. If the coin is to be tossed three times, what is the probability that on at least one of the tosses the coin will turn up tails?

1 Explanation

1

Gravatar Mike McGarry, Magoosh Tutor

Aug 17, 2015 • Comment

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Official GMAT Material

Official Guide for GMAT Review 2016

Official Guide for the GMAT 2015 14th Ed.

Official Guide for the GMAT 13th Ed.

Official Guide for the GMAT 12th Ed.

Revised GRE PDF 2nd Ed.


Section 5.3 Problem Solving

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