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a poll reported that 80% of adults were satisfied with the job major airlines were doing. suppose 12 adults are selected at random and the number who...

a poll reported that 80% of adults were satisfied with the job major airlines were doing. suppose 12 adults are selected at random and the number who are satisfied are recorded. find the probability that a)9 or more are satisfied with the airlines b)between 3 and 6 adults, inclusive, were satisfied

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