Concept explainers
To calculate: The probability that a student does not have brown hair provided that the student has brown eyes.
Answer to Problem 34E
The probability that a student does not have brown hair provided that the student has brown eyesis
Explanation of Solution
Given information:
Percentage of students with brown hair is
Formula used:
Probability of an event Eis
Given an event Q , the conditional probability of event A is
Calculation:
Consider the provided information thatPercentage of students with brown hair is
Let A be an event that student does not have brown hair and B be an event student has brown eyes.
Recall that probability of an event Eis
Probability that student has brown eyes,
Now,
Probability that student does not have brown hair,
Recall that given an event Q , the conditional probability of event A is
The probability that a student has brown eyes provided that the student has brown hair.
Thus, the probability that a student does not have brown hair provided that the student has brown eyesis
Chapter 13 Solutions
Advanced Mathematical Concepts: Precalculus with Applications, Student Edition
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