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Chapter 13: Q 20. (page 847)
Use the information given in the figure.
How many are not in A?
.
The given figure is
The values are
.
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What is the probability that at least 2 people have the same birthday in a group of 12 people? Assume that there are 365 days in a year.
Two fair dice are rolled.
Determine the probability that the sum of the two dice is 3.
In a probability model, which of the following numbers could be the probability of an outcome?
In a certain Precalculus class, there are 18 freshmen and 15 sophomores. Of the 18 freshmen, 10 are male, and of the 15 sophomores, 8 are male. Find the probability that a randomly selected student is:
(a) A freshman or female
(b) A sophomore or male
Find the value of each permutation.
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