Heart attack: The following table presents the number of hospitalizations for myocardial infarction (heart attack) for men and women in various age groups.
- What is the
probability that a randomly chosen patient is a woman? - What is the probability that a randomly chosen patient is aged 45-64?
- What is the probability that a randomly chosen patient is a woman and aged 45-64?
- What is the probability that a randomly chosen patient is a woman or aged 45-64?
- What is the probability that a randomly chosen patient is a woman given that the patient is aged 45-64?
- What is the probability that a randomly chosen patient is aged 45-64 given that the patient is a woman?
a.
To find: The probability that a randomly chosen patient is a woman.
Answer to Problem 10RE
Explanation of Solution
Given information:
Calculation:
Out of
Hence,
b.
To find: The probability that a randomly chosen patient is aged
Answer to Problem 10RE
Explanation of Solution
Calculation:
Out of
Hence,
c.
To find: The probability that a randomly chosen patient is a woman and aged
Answer to Problem 10RE
Explanation of Solution
Calculation:
Out of
Therefore,
d.
To find: The probability that a randomly chosen patient is a woman or aged
Answer to Problem 10RE
Explanation of Solution
The general addition rule for any two events
Here,
e.
To find: The probability that a randomly chosen patient is a women given that the patient is aged
Answer to Problem 10RE
Explanation of Solution
Calculation:
The probability of
Let,
So
Hence
f.
To find: The probability that a randomly chosen patient is aged
Answer to Problem 10RE
Explanation of Solution
Calculation:
The probability of
Let,
So
Hence
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Chapter 5 Solutions
Elementary Statistics ( 3rd International Edition ) Isbn:9781260092561
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