I need help please help me
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<u> </u><u>0.1071428571428571</u><u> is the </u><u>probability</u><u> that the total value is exactly 35 cents.</u>
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What is probability ?
- Probability is a measure of the likelihood of an event to occur. Many events cannot be predicted with total certainty.
- We can predict only the chance of an event to occur i.e. how likely they are to happen, using it.
The only way you can get 35 cents is with 1 quarter and 2 nickels (talk about funny money)
There are 3 ways to pick up a quarter 3C1
and there are 3 ways you can pick up 2 nickels 3C2
So there are 3*3=9 ways to choose 1 quarters and 2 nickels. That is 9 favourable outcomes :)
Now, there are 9C3=84 ways to choose 3 coins from 9 SO
The probability of picking up 35c is
Learn more about probability
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<u>The complete question is -</u>
Steve has three quarters, three nickels and three pennies. If Steve selects three coins at random and without replacement, what is the probability that the total value is exactly 35 cents?