SOLUTION: 14) What is the expected number of toys played with by a randomly drawn child in the playschool? Factors: # toys 0 | 1 | 2 | 3 | 4 | 5 Prob. .04 | .16 | .3 | .2

Algebra ->  Probability-and-statistics -> SOLUTION: 14) What is the expected number of toys played with by a randomly drawn child in the playschool? Factors: # toys 0 | 1 | 2 | 3 | 4 | 5 Prob. .04 | .16 | .3 | .2       Log On


   

Question 434936: 14) What is the expected number of toys played with by a randomly drawn child in the playschool?
Factors:
# toys 0 | 1 | 2 | 3 | 4 | 5
Prob. .04 | .16 | .3 | .2 | .18| .12
I need to know how to set this up, I simply cannot remember.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
What is the expected number of toys played with by a randomly drawn child in the playschool?
Factors:
# toys 0 | 1 | 2 | 3 | 4 | 5
Prob. .04 | .16 | .3 | .2 | .18| .12
I need to know how to set this up, I simply cannot remember.
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Multiply each toy number be its probability.
Add those six products.
That is the expected value.
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Cheers,
Stan H.