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 84 20-30 92 30-40 51 40-50 97 50-60 52 ≥60≥60 61 One customer is chosen at random for a prize giveaway.

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 84 20-30 92 30-40 51 40-50 97 50-60 52 ≥60≥60 61 One customer is chosen at random for a prize giveaway.

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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Question

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	84
20-30	92
30-40	51
40-50	97
50-60	52
≥60≥60	61

One customer is chosen at random for a prize giveaway.

What is the probability that the customer is at least 20 but no older than 40?

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 60?

Enter your answers as either decimals or fractions, not as percents.

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