In a certain city, projections for the next year indicate there is a 20% chance that electronics jobs will increase by 1000, a 50% chance that they will increase by 300, and a 30% chance they will decrease by 700. Find the expected change in the number of electronics jobs in that city in the next year. The expected change is an increase of _jobs.
In a certain city, projections for the next year indicate there is a 20% chance that electronics jobs will increase by 1000, a 50% chance that they will increase by 300, and a 30% chance they will decrease by 700. Find the expected change in the number of electronics jobs in that city in the next year. The expected change is an increase of _jobs.
Chapter9: Sequences, Probability And Counting Theory
Section9.7: Probability
Problem 5SE: The union of two sets is defined as a set of elements that are present in at least one of the sets....
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In a certain city, projections for the next year indicate there is a 20% chance that electronics jobs will increase by
Find the expected change in the number of electronics jobs in that city in the next year.
1000,
a 50% chance that they will increase by
300,
and a 30% chance they will decrease by
700.
The expected change is an increase of _
jobs.
jobs.
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