Solution Found!
Refer to Exercise 12. Assume that the cost of an engine
Chapter 2, Problem 14E(choose chapter or problem)
Refer to Exercise 12. Assume that the cost of an engine repair is $50, and the cost of a transmission repair is $100. Let T represent the total cost of repairs during a one-hour time interval.
a. Find \(\mu_T\).
b. Find \(\sigma_T\).
c. Find \(P(T=250)\).
Equation Transcription:
Text Transcription:
mu_T
sigma_T
P(T=250)
Questions & Answers
QUESTION:
Refer to Exercise 12. Assume that the cost of an engine repair is $50, and the cost of a transmission repair is $100. Let T represent the total cost of repairs during a one-hour time interval.
a. Find \(\mu_T\).
b. Find \(\sigma_T\).
c. Find \(P(T=250)\).
Equation Transcription:
Text Transcription:
mu_T
sigma_T
P(T=250)
ANSWER:
Solution 14E
Step1 of 4:
We have the cost of an engine repair is $50, and the cost of a transmission repair is $100.
Let us take T it represent the total cost of repairs during a one-hour time interval.
That is
y |
||||
x |
0 |
1 |
2 |
3 |
0 |
0.13 |
0.1 |
0.07 |
0.03 |
1 |
0.12 |
0.16 |
0.08 |
0.04 |
2 |
0.02 |
0.06 |
0.08 |
0.04 |
3 |
0.01 |
0.02 |
0.02 |
0.02 |