SOLUTION: 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

Question 1201102: 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
77
20-29 79
30-39 89
40-49 66
50-59 82
83

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 20?

c. What is the probability that the customer is at least 60?
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Answer by Glaviolette(140) (Show Source): You can put this solution on YOUR website!

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