a.
To find: The mean of Y .
a.
Answer to Problem 41E
The mean of Y is -0.65.
Explanation of Solution
Given:
Population mean
Population standard deviation
Calculation:
Here,
The expected loss per trip is 0.65.
b.
To find: The standard deviation of Y .
b.
Answer to Problem 41E
The standard deviation of Y is 6.45.
Explanation of Solution
Calculation:
The standard deviation of Y can be calculated as:
The expected cost is expected to differ from $6.45 from the expected loss of $-0.65 per trip.
Chapter 6 Solutions
The Practice of Statistics for AP - 4th Edition
Additional Math Textbook Solutions
An Introduction to Mathematical Statistics and Its Applications (6th Edition)
Statistics for Psychology
Elementary Statistics: Picturing the World (7th Edition)
Essentials of Statistics (6th Edition)
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