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9 questions
Choosing 3 toppings for your sundae out of a list of 15. (a)
Picking a President, Vice-President, and Secretary from a group of 12. (a)
Which of the following is equivalent to
8!
8
64
8*7*6*5*4*3*2*1
40320
8P1
Calculate:
_{12}P_{4}
24
132
1320
11880
Rylan’s basketball team has 11 players. How many ways can his coach choose five starting players (order is not relevant)?
There are 10 students in a class: 5 boys and 5 girls.
If the teacher picks a group of 3 at random:
a) How many groups of 3 girls are possible? (a)
b) How many total groups of 3 are possible? (b)
c) what is the probability that everyone in the group is a girl?
(c)
There are 19 students in a class, the teacher is making groups of 3. What is the probability that Alex, Connor, and Meredith all end up in the same group?
969
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