Posted by **Kate** on Monday, October 15, 2007 at 8:29pm.

an instant lottery game gives you probability .02 of winning on any one play. Plays are indpendent of each other. If you play 5 times, what is the probability that you win at least once.

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**PsyDAG**, Tuesday, October 16, 2007 at 10:44am
To determine *"either-or"* probabilities, you *add* the probabilities of the individual events. Since the probabilities of each event are the same, you could multiply by 5.

I hope this helps. Thanks for asking.

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**PsyDAG**, Tuesday, October 16, 2007 at 10:47am
For *either-or* probability, you *add* the probabilities of the individual events. Since all the probabilities are the same, you can just multiply the probaiblity by 5.

I hope this helps. Thanks for asking.

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