The table below relates the amount of time consumers spend shopping on the Internet per month with their annual income. What is the probability that a randomly selected consumer neither spends more than 2 hours per month shopping on the Internet nor has an annual income of $60,000 or less?

The table below relates the amount of time consumers spend shopping on the Internet per month with their annual income. What is the probability that a randomly selected consumer neither spends more than 2 hours per month shopping on the Internet nor has an annual income of $60,000 or less?

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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Concept explainers

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

The table below relates the amount of time consumers spend shopping on the Internet per month with their annual income. What is the probability that a randomly selected consumer neither spends

more than 2

hours per month shopping on the Internet nor has an annual

income of

$60,000 or less?

Annual Income	10+ Hours	3–9 Hours	0–2 Hours	Totals
Above $60,000	199	166	120	485
$40,000−$60,000	168	197	152	517
Below $40,000	120	199	283	602
Totals	487	562	555	1,604

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