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Solved: In Exercise, use the following information. On a
Chapter , Problem 46E(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 \(z=1.2\).
Equation Transcription:
Text Transcription:
mu=127 ft
sigma=3.81 ft
z=1.2
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 \(z=1.2\).
Equation Transcription:
Text Transcription:
mu=127 ft
sigma=3.81 ft
z=1.2
ANSWER:
Solution:
Step 1 of 2:
We have = 127 ft,
= 3.81 ft, and z = 1.2.
The claim is to find the braking distance of a sedan that corresponds to z = 1.2.