Mathematics, 21.04.2020 01:59 flashpoint0117

At a football game 100 students were surveyed about their food and drink purchases. Out of the 100 students surveyed, 70 bought a drink, 60 bought a food item, and 50 bought both a drink and a food item.

A student is chosen at random from the 70 students that bought a drink. What is the probability that the student also bought a food item?

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At a football game 100 students were surveyed about their food and drink purchases. Out of the 100 s...

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