Mathematics, 31.10.2019 06:31, haleybug6

Asurvey of 500 students in a school found that about 100 households consist of only vegetarians, 240 consist of vegetarians and non-vegetarians, and 160 consist of non vegetarians.

a. what is the probability that one of the households surveyed, chosen at random, consists of vegetarians or non vegetarians?

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Asurvey of 500 students in a school found that about 100 households consist of only vegetarians, 240...