### Determine preference for hamburger

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##### Reference no: EM1317666

A survey is taken among customers of a fast-food restaurant to determine their preference for hamburger or chicken. Of 200 respondents selected, 75 were children and 125 were adults. 120 preferred hamburger and 80 preferred chicken. 55 of the children preferred hamburger.

a) What is the probability that a randomly selected individual is an adult?

b) What is the probability that a randomly selected individual is an adult or a child?

c) What is the probability that a randomly selected individual is a child and prefers chicken?

d) What is the probability that a randomly selected individual is an adult and prefers chicken?

e) What is the probability that a randomly selected individual is a child or prefers hamburger?

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