Question

In a group of 140 adults 90 to watch tennis 81 play a sport and 40 do neither find the probability that an adult chosen at random from those who watch tennis do you not play a sport

Answer 1

Those who watch tennis: 92/140

Those who do not play a sport: (140-81)/140 = 59/140

Those who watch tennis and do not play a sport: 92/140 * 59/140 = 0.277

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Answer 2

19/92 is the correct answer

Explanation: