Chapter 13.3, Problem 63AYU

To determine

To calculate: The probability that a household has an annual income of $\$75,000$ or more using following table which is based on a survey of annual incomes in $100$ households.

$\boxed{\begin{array}{llllll}\text{Income}\hfill & \$0-24,999\hfill & \$25,000-49,999\hfill & \$50,000-74,999\hfill & \$75,000-99,999\hfill & \$100,000\text{or}\text{more}\hfill \\ \begin{array}{l}\text{Number}\text{of}\\ \text{households}\end{array}\hfill & 22\hfill & 23\hfill & 17\hfill & 12\hfill & 26\hfill \end{array}}$