A construction zone on a highway has posted a speed limit of 40 miles per hour. The speeds of vehicles passing through this construction zone are normally distributed with a mean of 46 miles per hour and a standard deviation of 5 miles per hour. Find the percentage of vehicles passing through this construction zone that are • exceeding the posted speed limit • traveling at speeds between 50 and 60 miles per hour
A construction zone on a highway has posted a speed limit of 40 miles per hour. The speeds of vehicles passing through this construction zone are normally distributed with a mean of 46 miles per hour and a standard deviation of 5 miles per hour. Find the percentage of vehicles passing through this construction zone that are • exceeding the posted speed limit • traveling at speeds between 50 and 60 miles per hour
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 8PPS
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Transcribed Image Text:A construction zone on a highway has posted a speed limit of 40 miles per hour. The speeds of vehicles
passing through this construction zone are normally distributed with a mean of 46 miles per hour and a
standard deviation of 5 miles per hour. Find the percentage of vehicles passing through this construction
12.
zone that are
• exceeding the posted speed limit
• traveling at speeds between 50 and 60 miles per hour
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