Concept explainers
a)
To explain the way of arrival of conclusion.
a)
Answer to Problem 18E
Using the
Explanation of Solution
Given:
P(Harvard) = 9% = 0.09
P(Stanford) = 10% = 0.10
P(Penn) = 16% = 0.16
So, Jorge has used the addition Property.
b)
To explain the assumptions of the results.
b)
Answer to Problem 18E
Mutually exclusive
Explanation of Solution
Given:
P(Harvard) = 9% = 0.09
P(Stanford) = 10% = 0.10
P(Penn) = 16% = 0.16
Before using the addition rule, he assumed that the events are mutually exclusive.
c)
To explain if agree with the conclusion.
c)
Answer to Problem 18E
No, I do not agree.
Explanation of Solution
Given:
P(Harvard) = 9% = 0.09
P(Stanford) = 10% = 0.10
P(Penn) = 16% = 0.16
I do not agree with his conclusion. For one thing, the events are not mutually exclusive and thus the probabilities cannot be added.
Chapter 14 Solutions
Stats: Modeling the World Nasta Edition Grades 9-12
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