A coin has an equal probability of coming up heads or tails when tossed. Suppose a game is played where a player is awarded 10 points if a pair of tosses both come up heads, 8 points if they both come up tails, and 2 points if the result is 1 head and 1 tail. What is the expected value of the score for a pair of tosses? 6.3 5.5

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A coin has an equal probability of coming up heads or tails when tossed. Suppose a game is played where a player is awarded 10 points if a pair of tosses both come up heads, 8 points if they both come up tails, and 2 points if the result is 1 head and 1 tail.

What is the expected value of the score for a pair of tosses?

  • 6.3
  • 5.5
  • 5.9
  • 6.7
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