# Find the probability of at least one winning

A roulette wheel contains the integers 1 through 36, 0, 00. Suppose that you spin the wheel 6 times and that each time you bet on a single number. What is the probability (rounded to nearest 100th) that you win on at least one bet?

Possible answers: 0.09, 0.11, 0.13, 0.15, none of the above.

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#### Solution Preview

Hi there,

Here is my explanation:

First, these 6 events are independent. In addition, there are various possibilities how you win at ...

#### Solution Summary

The solution provides clear explanation how to find the probability of at least one number match based winning.

Find the Winning Strategy for a Coin Flip Game

Your opponent specifies 3 successives results of tosses of a coin, e.g. HHT. You then specify another such result, e.g. THT. The winner is the person whose sequence appears first when a fair coin is tossed successively and independently. Find the strategy which will allow you, the second player, to win at least 2/3 of the time. More specifically, for each possible choice of your opponent, find the choice that gives you the maximum probability of winning and calculate that probability.

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