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Recent questions tagged random-variable

1 1 vote
1 1 answer
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In the first week of November 2003.... What is the expected number of homicides per week in the GTA?
This is from question one from lecture 4B's exercises: "In the first week of November 2003, five unrelated homicides were reported in the GTA. The GTA usually has about 7...
4 4 votes
1 1 answer
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If x is the number that comes up when you roll a 20 sided die. What is the expected value of x?
If x is the number that comes up when you roll a 20 sided die. What is the expected value of x?
2 2 votes
1 1 answer
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Question for Discrete random variable
An investor has a 0.60 probability of making a 20000 dollar profit and a 0.40 probability of suffering a 25000 dollar loss. What is the expected value?
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