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A store gathers some demographic information from their customers. The following chart summarizes the age-related information they collected: Age Number of Customers <20 20-30 30-40 40-50 50-60 >60 83 92 93 97 52 One customer is chosen at random for a prize giveaway. What is the probability that the customer is at least 30 but no older than 50? What is the probability that the customer is either older than 60 or younger than 20? What is the probability that the customer is at least 50? Enter your answers as either decimals or fractions, not as percents.

A store gathers some demographic information from their customers. The following chart summarizes the age-related information they collected: Age Number of Customers <20 20-30 30-40 40-50 50-60 >60 83 92 93 97 52 One customer is chosen at random for a prize giveaway. What is the probability that the customer is at least 30 but no older than 50? What is the probability that the customer is either older than 60 or younger than 20? What is the probability that the customer is at least 50? Enter your answers as either decimals or fractions, not as percents.

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A store gathers some demographic information from their customers. The following chart summarizes the age-related information they collected: Age Number of Customers <20 20-30 30-40 40-50 50-60 >60 83 92 93 97 52 One customer is chosen at random for a prize giveaway. What is the probability that the customer is at least 30 but no older than 50? What is the probability that the customer is either older than 60 or younger than 20? What is the probability that the customer is at least 50? Submit Question Enter your answers as either decimals or fractions, not as percents.
Transcribed Image Text:A store gathers some demographic information from their customers. The following chart summarizes the age-related information they collected: Age Number of Customers <20 20-30 30-40 40-50 50-60 >60 83 92 93 97 52 One customer is chosen at random for a prize giveaway. What is the probability that the customer is at least 30 but no older than 50? What is the probability that the customer is either older than 60 or younger than 20? What is the probability that the customer is at least 50? Submit Question Enter your answers as either decimals or fractions, not as percents.
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