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Q. 64

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Precalculus Enhanced with Graphing Utilities

Found in: Page 866

Book edition 6th

Author(s) Sullivan

Pages 1200 pages

ISBN 9780321795465

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Short Answer

Problems 63–66 are based on a consumer survey of annual incomes in 100 households. The following table gives the data.
What is the probability that a household has an annual income between $10,000 and $29,999, inclusive?

The probability is $\frac{13}{20}$

See the step by step solution

Step by Step Solution

TABLE OF CONTENTS :

TABLE OF CONTENTS

Step 1. Given Information

The given table is

Step 2. Calculation

The number of households having an annual income of $10,000 and $29,000 inclusive is $n (E) = 35 + 30 = 65$

The sample space consists of households, the number of households are

$n (S) = 100$

Substitute the values in the formula to find the required probability,

$P (E) = \frac{n (E)}{n (S)} = \frac{65}{100} = \frac{13}{20}$

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True or False The probability of an event can never equal 0.

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