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out of 500 randomly chosen grocery shoppers, 320 like cheerios and 380 like total. 275 of the grocery shoppers liked both cheerios and total.

a. how many shoppers like cheerios or total?
b. how many shoppers liked neither cereal?
c. what is the probability that a randomly selected shopper liked total but not cheerios?
d. what is the probability that a randomly selected shopper liked both cereals?

 

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