Ask questions and get helpful answers.

a die is rolled 7 times. find the probability of getting at least one 3.

  1. 👍
  2. 👎
  3. 👁
  4. ℹ️
  5. 🚩

1 answer

  1. so we exclude the probability of "no 3"

    prob of no 3 in 7 tries = (5/6)^7

    prob of your event = 1 - (5/6)^7 = .7209

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩

Answer this Question

Related Questions

Still need help?

You can ask a new question or browse existing questions.