A survey is taken among customers of fast-food restaurants to determine preference for hamburgers or chicken. Of 200 respondents selected, 75 were children and 125 were adults. One hundred and twenty preferred hamburgers and 80 preferred chicken. Fifty-five of the children preferred hamburgers.
-Referring to Instruction 4.3,the probability that a randomly selected individual is an adult or a child is _____________ .

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The Answer of A survey is taken among customers of fast-food restaurants to determine preference for hamburgers or chicken. Of 200 respondents selected, 75 were children and 125 were adults. One hundred and twenty preferred hamburgers and 80 preferred chicken. Fifty-five of the children preferred hamburgers.
-Referring to Instruction 4.3,the probability that a randomly selected individual is an adult or a child is _____________ .

A Survey Is Taken Among Customers of Fast-Food Restaurants to Determine