Jimmy vs. Richard

Discrete Mathematics Level 2

Jimmy and Richard decide to play a challenge in which two dice are rolled. If the sum is less than 7, Jimmy wins $5 from Richard. Otherwise, Richard wins $4 from Jimmy. Who is expected to win more money after 5 rounds?

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Jimmy vs. Richard

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Community

100 Day Summer Challenge

Jimmy vs. Richard

Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, conceptual quizzes.

Our wiki is made for math and science

Master advanced concepts through explanations, examples, and problems from the community.

Used and loved by 4 million people

Learn from a vibrant community of students and enthusiasts, including olympiad champions, researchers, and professionals.

Master advanced concepts through explanations,
examples, and problems from the community.

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.

Master advanced concepts through explanations,
examples, and problems from the community.

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.