A store gathers some demographic information from their customers. The following chart summarizes the age-related information they collected: Age Number of Customers <20 89 20-30 67 30-40 94 40-50 91 50-60 83 ≥60 64 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 60? What is the probability that the customer is either older than 40 or younger than 20? What is the probability that the customer is at least 60? 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 89 20-30 67 30-40 94 40-50 91 50-60 83 ≥60 64 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 60? What is the probability that the customer is either older than 40 or younger than 20? What is the probability that the customer is at least 60? Enter your answers as either decimals or fractions, not as percents.
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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Question
A store gathers some demographic information from their customers. The following chart summarizes the age-related information they collected:
One customer is chosen at random for a prize giveaway.
What is theprobability that the customer is at least 30 but no older than 60?
What is the probability that the customer is either older than 40 or younger than 20?
What is the probability that the customer is at least 60?
Enter your answers as either decimals or fractions, not as percents.
| Age | Number of Customers |
|---|---|
| <20 | 89 |
| 20-30 | 67 |
| 30-40 | 94 |
| 40-50 | 91 |
| 50-60 | 83 |
| ≥60 | 64 |
One customer is chosen at random for a prize giveaway.
What is the
What is the probability that the customer is either older than 40 or younger than 20?
What is the probability that the customer is at least 60?
Enter your answers as either decimals or fractions, not as percents.
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