A store manager gathers some demographic information from the store's customers. The following chart summarizes the age-related information they collected: Age << 20 20-29 30-39 40-49 50-59 > 60 Number of Customers 69 97 90 50 61 58 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 49? 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?
A store manager gathers some demographic information from the store's customers. The following chart summarizes the age-related information they collected: Age << 20 20-29 30-39 40-49 50-59 > 60 Number of Customers 69 97 90 50 61 58 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 49? 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?
Chapter8: Sequences, Series,and Probability
Section: Chapter Questions
Problem 41CT: On a game show, a contestant is given the digits 3, 4, and 5 to arrange in the proper order to form...
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