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7th Edition

Stefan Waner + 1 other

Publisher: Cengage Learning

ISBN: 9781337274203

Chapter 7.2, Problem 32E

Textbook Problem

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**Web Searches** In November 2011 a search using the web search engine Bing for “tea party” yielded 58.0 million websites containing that phrase. A search for “coffee party” yielded 0.6 million sites. A search for sites containing both phrases yielded 0.1 million sites.^{5} How many websites contained either “tea party” or “coffee party” or both?

[**HINT:** See Example 1.]

To determine

**To calculate:** The number of websites that contained either “tea-party” or “coffee-party” or both if a search using the web search engine Bing in November 2011 for “tea-party” resulted in

**Given Information:**

A search using the web search engine Bing in November 2011 for “tea-party” resulted in

**Formula used:**

For union of sets *X*, with number of elements *Y*, with number of elements

If *A* is a finite set, then its cardinality is

**Calculation:**

Consider the set of websites containing the word “tea-party” to be *X* and the set of websites containing the word “coffee-party” to be *Y*.

A search using the web search engine Bing for “tea-party” yielded *X*.

This can be represented by,

A search using the web search engine Bing for “coffee-party” yielded *Y*

Finite Mathematics and Applied Calculus (MindTap Course List)

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Write an iterated integral for the area of that part of the plane z = x that is above the region D at the right...

Study Guide for Stewart's Multivariable Calculus, 8th

For , f(x) =
0
2
3
f(3) does not exist

Study Guide for Stewart's Single Variable Calculus: Early Transcendentals, 8th

In Exercises 1-8, construct a truth table for each compound proposition. ~(~p)

Finite Mathematics for the Managerial, Life, and Social Sciences

In Exercises 29 to 32, use only a compass and a straightedge to complete each construction. Exercises 31, 32 Gi...

Elementary Geometry for College Students

Solving an Equation In Exercises 27-36, solve the equation accurate to three decimal places. 32x=75

Calculus

Sailing Ignoring resistance, a sailboat starting from rest accelerates (dv/dt) at a rate proportional to the di...

Calculus (MindTap Course List)

Using an Integrating Factor In Exercises 33-36, use the integrating factor to find the general solution of the ...

Multivariable Calculus

A family consisting of three peopleP1, P2, and P3-belongs to a medical clinic that always has a physician at ea...

Introduction To Statistics And Data Analysis

Solve each of the following equations using either the addition, subtraction, or division principle of equality...

Mathematics For Machine Technology

Eagle Outfitters is a chain of stores specializing in outdoor apparel and camping gear.They are considering a p...

Statistics for Business & Economics, Revised (MindTap Course List)

Consider an acceptance sampling plan with n = 20 and c = 0. Compute the producers risk for each of the followin...

STATISTICS F/BUSINESS+ECONOMICS-TEXT

Evaluate each piecewise-defined function. fx=2xifx03-xif0x2xifx2 a. f-0.5 b. f0 c. f2

College Algebra (MindTap Course List)

Identify and explain the common threats to external validity and identify threats when they appear in a researc...

Research Methods for the Behavioral Sciences (MindTap Course List)

In Exercises 29-38, a find the probability and b the odds of winning the given bet in roulette. Also, use the L...

Mathematics: A Practical Odyssey

Define the term sampling error. Be sure to include the terms statistic and parameter in your definition.

Research Methods for the Behavioral Sciences (MindTap Course List)