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A store manager gathers some demographic information from the store's customers. The following chart summarizes the age-related information they collected: Age Number of Customers 60

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A store manager gathers some demographic information from the store's customers. The following chart summarizes the age-related information they collected: Age Number of Customers 60 93 One customer is chosen at random for a prize giveaway. (Round answers to 4 decimal places.) a. What is the probability that the customer is at least 20 but no older than 59? b. What is the probability that the customer is either older than 39 or younger than 20? c. What is the probability that the customer is at least 50

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