Probability Models Quiz Review
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Last updated almost 5 years ago
19 questions
1
P(West) =
P(West) =
1
P(Country) =
P(Country) =
2
P(West or Country) =
P(West or Country) =
1
P(South and Rock) =
P(South and Rock) =
1
P(Country | South) =
P(Country | South) =
1
P(West | Rock) =
P(West | Rock) =
1
Give a set of mutually exclusive events from the table.
Give a set of mutually exclusive events from the table.
3
Are the events Living in the West and preferring Rock music independent? Justify your answer mathematically.
Are the events Living in the West and preferring Rock music independent? Justify your answer mathematically.
1
P(Likes Ice Cream) =
P(Likes Ice Cream) =
1
P(Tall) =
P(Tall) =
2
P(Tall or Likes Ice Cream) =
P(Tall or Likes Ice Cream) =
1
P(Short and Doesn’t Like Ice Cream) =
P(Short and Doesn’t Like Ice Cream) =
1
P(Short | Likes Ice Cream) =
P(Short | Likes Ice Cream) =
1
P(Doesn’t Like Ice Cream | Tall) =
P(Doesn’t Like Ice Cream | Tall) =
3
Are the events being tall and liking Ice Cream independent? Justify your answer mathematically.
Are the events being tall and liking Ice Cream independent? Justify your answer mathematically.
2
An estimated 4% of the US population has food allergies.
If you were to randomly select three people, what is the probability that they will all have a food allergy?
An estimated 4% of the US population has food allergies.
If you were to randomly select three people, what is the probability that they will all have a food allergy?
2
An estimated 4% of the US population has food allergies.
If you were to randomly select four people, what is the probability that they will all NOT have a food allergy?
An estimated 4% of the US population has food allergies.
If you were to randomly select four people, what is the probability that they will all NOT have a food allergy?
2
According to recent data, PlayStation 4 was outselling Xbox One by taking 76% of the market share.
What is the probability that two people selected at random both own a PlayStation 4?
According to recent data, PlayStation 4 was outselling Xbox One by taking 76% of the market share.
What is the probability that two people selected at random both own a PlayStation 4?
1
According to recent data, PlayStation 4 was outselling Xbox One by taking 76% of the market share.
What is the probability that two people selected at random both own an Xbox One?
According to recent data, PlayStation 4 was outselling Xbox One by taking 76% of the market share.
What is the probability that two people selected at random both own an Xbox One?