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Airline passengers arrive randomly and independently at the passenger-screening facility at a major international airport. the mean arrival rate is 10 passengers per minutes. compute the following probabilities. p(x = 4) p(x > 11)

Find cot x if sin x cot x csc x = √2

Susie wants to take her friend out for lunch.she wants to spend $9.75 each person. how much will she spend in all.