Permutations
Permutations Word
Probability of Simple Events
100
P(4,3)
24
100
How many ways can the five runners in a relay race be arranged?
120
100
What is the probability that a month picked at random starts with J?
1/4
200
P(7,4)
840
200
A security system has a pad with nine digits. How many four number passwords are available.
3,024
200
What is the probability that a day picked at random is Saturday.
1/7
300
P(6!)
720
300
You are at an arcade that has 10 games. You want to play three different games. How many ways can you play them? (hint 10,3)
720 different ways
300
There are 2 blue pens 1 red pen 10 green pens and 4 purple pens in a bag. What is the probability of picking a green pen?
10/17
400
P(8,7)
40,320
400
There is a flag with three colors on it (green white and red). How many ways can you arrange those colors?
6
400
There are 4 red pens, 2 blue pens, 1 green pen and 6 yellow pens. What is the probability of choosing a yellow pen.
6/13
500
10!
3,628,800
500
An ice cream shop has 31 flavors. You want to order a three scoop cone with three different flavors. How many cones can he buy if order is important?
26,970
500
A weather report says that there is a 40% chance of rain. What is the probability of no rain?
60%
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