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Fast Service Store has maintained daily sales records on the various size 'Cool Drink' sales. These are shown in the following table:
'Cool Drink' Price Number Sold
$0.25 75
$0.35 120
$0.50 125
$0.75 50
a.Set up a probability distribution for 'Cool Drink' sales.
b.What is the expected value of this probability distribution?
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