Ice Skaters
What is the probability that a person is an ice skater?
1/3
What is the probability that a person is not a whale watcher?
13/14
0.93
How many people do not own a cat?
306 people
TRUE OR FALSE:
Mutually exclusive means two events have to be able to exist at the same time
FALSE
What is the probability that a person is not in high school?
43/50
0.86
What is the probability that a person is a whale watcher and lives on the coast?
1\100
0.1
What is the probability of being allergic to a cat?
3/11
0.28
True or false:
The probability of being a teacher and living in Champaign are reasonable independent events.
True
What is the probability of being in high school and being an ice skater?
7/150
0.05
Are being a whale watcher and not living on the coast mutually exclusive events?
No it is possible to be a whale watcher AND not live on the coast
Is owning a cat and being allergic to cats mutually exclusive events?
Yes
True or False:
If events are independent than they are also associated
FALSE
What is the probability that the person is an ice skater given they are not in high school?
1/3
What is the probability that a person is not a whale watcher and given they live on the coast?
9/10
0.9
Is being an ice skater and being in high school independent events?
Yes, the probability of being an ice skater given that you are in high school is the same probability of being an ice skater in the general population
Is being a whale watcher and living on the coast independent events?
No the probability of being a whale watcher given you live on the coast is higher than the probability of being a whale watcher.
Are not owning a cat and being allergic to cats independent events?
NOOOOO