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1. If two events are mutually exclusive, they cannot be independent. Q False 0 True X 2. Suppose a class of 160 students took their

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1. If two events are mutually exclusive, they cannot be independent. Q False 0 True X 2. Suppose a class of 160 students took their statistics nal and their grades are shown in the table below. (Enter your answers in three decimal places) A B CD F 3435401139 (a) Choose one student at random. what is the probability that helshe received a B or a C? (Enter your answers in three decimal places) 0.4?5 I (b) What is the probability that a student selected at random passed the nal (where a D is considered to be a not passing grade) [Enter your answers in three decimal places) 0.719 x (c) What is the probability that a student selected at random not passed the nal (where a D is considered to be a not passing grade}? 02:31 x (d) D is considered to be a not passing grade. Assuming all students took exam independently. If random select three students, what is the probability that at least one of them passed the class? 0.933 x (e) D is considered to be a not passing grade. Assuming ali students took exam independently. If random select three students, what is the probability that at least one of them failed the class? 0.628 x (f) what is the probability that two students selected at random both received A? 0.0452

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