Solution Found!
In Exercise, use the following information. On a dry
Chapter , Problem 45E(choose chapter or problem)
In Exercises 45–50, use the following information. On a dry surface, the braking distances (in feet), from 60 miles per hour to a complete stop, of a sedan can be approximated by a normal distribution, as shown in the figure at the left. (Adapted from Consumer Reports)
Find the braking distance of a sedan that corresponds to \(z=-2.5\).
Equation Transcription:
Text Transcription:
mu=127 ft
sigma=3.81 ft
z=-2.5
Questions & Answers
QUESTION:
In Exercises 45–50, use the following information. On a dry surface, the braking distances (in feet), from 60 miles per hour to a complete stop, of a sedan can be approximated by a normal distribution, as shown in the figure at the left. (Adapted from Consumer Reports)
Find the braking distance of a sedan that corresponds to \(z=-2.5\).
Equation Transcription:
Text Transcription:
mu=127 ft
sigma=3.81 ft
z=-2.5
ANSWER:
Solution:
Step 1 of 2:
We have = 127 ft, = 3.81 ft, and z = -2.5
The claim is to find the braking distance of a sedan that corresponds to z = -2.5.