
Concept explainers
In reference to Example 1, what is the probability that a person is right-handed?

To calculate: The probability that a person is a right-handed from the following graph.
Answer to Problem 1DE
Solution:
The probability that a person is right-handed, is
Explanation of Solution
Given Information:
The number of people who are left-handed, right-handed or both in a survey shown in the graph,
Formula used:
The experimental probability of an event
to the number of trails of
Calculation:
Consider the number of people who are right-handed is 82, the number who are left-handed is 17 and there is 1 person who is right hand as well as left hand.
Therefore, the total number of observationsare,
The number of people who are right-handed is 82.
Now the probability that a person is right-handed is,
Therefore, the probability that a person is right-handed, is
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Chapter N Solutions
Developmental Mathematics (9th Edition)
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