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Expert-verified Found in: Page 866 ### Precalculus Enhanced with Graphing Utilities

Book edition 6th
Author(s) Sullivan
Pages 1200 pages
ISBN 9780321795465 # 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 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 $n\left(E\right)=35+30=65$

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

$n\left(S\right)=100$

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

$P\left(E\right)=\frac{n\left(E\right)}{n\left(S\right)}\phantom{\rule{0ex}{0ex}}=\frac{65}{100}\phantom{\rule{0ex}{0ex}}=\frac{13}{20}$ ### Want to see more solutions like these? 