M.4HSTP.33
Calculate the expected value of a random variable; interpret it as the mean of the probability distribution.
Example Problems
The monthly rent (in hundreds of dollars) paid by five tenants is: .
If the mean rent is $1300, find the missing rent.
If the mean rent is $1300, find the missing rent.
The number of goals scored by each player in a tournament are: .
If the mean goals per player is 2.4, find the missing number of goals.
If the mean goals per player is 2.4, find the missing number of goals.
A fair coin is flipped 5 times. Let be the number of heads. What is the expected value of ?
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