In a game involving dice, Alex and Sam are competing. Sam...

Free Practice Question

PS · Problem Solving

655-705

Probability

In a game involving dice, Alex and Sam are competing. Sam has tampered with the dice, making the likelihood of rolling any number n equal to n times the likelihood of rolling a 1. According to the game rules, Alex earns a point for every odd number rolled, while Sam earns a point for even numbers. What is the probability that Alex will score a point on a single roll?

Answer Choices

Sign in to reveal the correct answer

A

\frac{3}{7}

B

\frac{4}{7}

C

\frac{5}{7}

D

\frac{6}{7}

E

\frac{7}{8}

Reveal the correct answer

Sign in for free to check your answer and unlock the full explanation.

Sign in Create free account

Track your performance and improve

Get detailed analytics, unlock full explanations, and move up difficulty tiers as you practice.

Start for free Sign in

Explanation

Unlock the full explanation

Create a free account to reveal the correct answer, see the step-by-step explanation, and start tracking your GMAT progress.

Answer Choices

Reveal the correct answer

Track your performance and improve

Unlock the full explanation

Unlock full explanations