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Question 4 A store manager gathers some demographic information from the store s customers The...

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Question 4 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 20 20 29 30 39 40 49 50 59 60 88 86 57 68 64 67 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 39 b What is the probability that the customer is either older than 60 or younger than 40 c What is the probability that the customer is at least 60

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