Ask Question
7 August, 12:55

How many ways can a person toss a coin 13 times so that the number of heads is between 7 and 10 inclusive?

+2
Answers (1)
  1. 7 August, 13:17
    0
    4004

    Step-by-step explanation:

    The number of combinations of choosing r objects from a group of n is nCr.

    So the number of ways to get 7, 8, 9, or 10 heads from 13 coin tosses is:

    ₁₃C₇ + ₁₃C₈ + ₁₃C₉ + ₁₃C₁₀

    = 1716 + 1287 + 715 + 286

    = 4004
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “How many ways can a person toss a coin 13 times so that the number of heads is between 7 and 10 inclusive? ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers