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March 30, 2017

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An instant lottery game gives you probability 0.023 of winning on any one play. Plays are independent of each other.


If you play 2 times, the probability that you win on one or more of your plays is about? (±0.0001)

Thank you!

  • Statistics - ,

    For either-or probabilities, you add the individual probabilities.

    .023 + .023 = ?

    For winning on both/all you multiply the probabilities.

    .023 * .023 = ?

    The first answer is for winning on either one of the plays, while the second is for winning on both ("or more"). From the information I have given you, can you combine the two answers?

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