Concept explainers
To calculate: The probability that a household has an annual income between
Answer to Problem 64AYU
Solution:
The probability that a household has an annual income between
Explanation of Solution
Given information:
The following table contains the data of a survey of annual incomes in
Formula used:
If
Calculation:
Number of total households is
Let event
According to given table, an income between
There are
There are
Therefore the total number of households with an income between
Using the formula for probability of an event,
Therefore the probability that a household has an annual income between
Chapter 13 Solutions
Precalculus
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