A store manager gathers some demographic information from the store's customers. The following chart summarizes the age-related information they collected: Age < 20 Number of Customers 92 20-29 57 30-39 61 40-49 73 50-59 50 > 60 72 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 59 or younger than 40? 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 Number of Customers 92 20-29 57 30-39 61 40-49 73 50-59 50 > 60 72 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 59 or younger than 40? c. What is the probability that the customer is at least 50?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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Transcribed Image Text:A store manager gathers some demographic information from the store's customers. The following chart
summarizes the age-related information they collected:
Age
< 20
Number of Customers
92
20-29
57
30-39
61
40-49
73
50-59
50
> 60
72
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 59 or younger than 40?
c. What is the probability that the customer is at least 50?
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