Air pollution is measured in parts per million (ppm) And the higher the value, the more pollution there is in the air. Stephen i
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Answer:
Step-by-step explanation:
Given
there are 50 winning number out of which 40 get $ 100 each and 10 wins $ 1000 .
let x denotes the winning from a randomly selected ticket
Expected value is given by
and Expected return is given by