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The promoter of a concert estimates there is a 35% chance the balcony tickets will sell...

The promoter of a concert estimates there is a 35% chance the balcony tickets will sell out, there is a 55% that the main floor tickets will sell out, and there is a 15% chance that both will sell out

a. What is the chance that neither of them sell out?

b. What is her estimate that at least one of them will sell out?

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Answer #1

للعيد vern draguem balcony floor 10:21 2.15 0.40 0.25 plneithen of them seus =(0.25) bi plat least one least one of them) = 6

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