A manager gathers some demographic information from the store's customers. The following chart summarizes the age-related information that was collected: Number of Customers Age < 20 80 20-29 55 30-39 56 40-49 90 50-59 58 2 60 76 One customer is chosen at random for a prize giveaway. Please enter reduced fractions 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 40? What is the probability that the customer is at least 50?
A manager gathers some demographic information from the store's customers. The following chart summarizes the age-related information that was collected: Number of Customers Age < 20 80 20-29 55 30-39 56 40-49 90 50-59 58 2 60 76 One customer is chosen at random for a prize giveaway. Please enter reduced fractions 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 40? What is the probability that the customer is at least 50?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:**Age Demographics of Store Customers**
A manager collects demographic information from the store's customers. The chart below summarizes the age-related information:
| Age | Number of Customers |
|-------|---------------------|
| < 20 | 80 |
| 20-29 | 55 |
| 30-39 | 56 |
| 40-49 | 90 |
| 50-59 | 58 |
| ≥ 60 | 76 |
**Probability Questions**
One customer is randomly chosen for a prize giveaway. Please calculate the probability as reduced fractions.
1. What is the probability that the customer is at least 30 but no older than 50?
2. What is the probability that the customer is either older than 60 or younger than 40?
3. What is the probability that the customer is at least 50?
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