probability 28. Computers in Elementary Schools Elementary and secondary schools were classified by the number of computers they had. Computers 1–10 11–20 21-50 51–100 100+ 16,741 23,753 34,803 3170 4590 Schools om 000,8 Choose one school at random. Find the probability that it has a. 50 or fewer computers b. More than 100 computers c. No more than 20 computers Source: World Almanac.

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