| # | | Question | Helpful Rating | Tags |
| 175 |
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Suppose that in NY State, 35% of voters are Democrats, 30% are Republicans, and 11% are independent. You are conducting a poll by randomly calling registered voters. In your first four calls, what is the probability that you talk to:
a)all Republicans?
b)exactly 2 Republicans?
c)no Independents?
d)all Independents?
e)at least one independent? | 4.29 | Probability, Multiplication Rule, Binomial Probability, Choose, binomial |
| 172 |
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The library is to be given 3 books as a gift. The books will be selected from a list of 18 titles. If each book selected must have a different title, how many possible selections are there? | | Choose, Combination |