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Mathematics, 27.04.2021 15:10 babyari18

A city hosted a music festival that included three concerts. According to the sales database, 28% of the audience attended the first concert, 42% attended the second one, 30% attended the third one, 80% attended at least one of the three concerts, 10% attended the first and second ones, 8% attended the first and third ones, and 7% attended the second and third ones. Find the probability that a randomly selected audient attended all the concerts

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A city hosted a music festival that included three concerts. According to the sales database, 28% of...
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