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Mathematics, 12.08.2020 04:01 yorblayo17011

Jim, Sergio, Sarah, Tyrone, Dawn, Simone, Maria, and Katrina have all been invited to a dinner party. They arrive randomly and each person arrives at a different time. Required:
a. In how many ways can they arrive?
b. In how many ways can Simone arrive first and lan last?
c. Find the probability that Simone will arrive first and lan last.

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