asser speeds Freeway (I-5) in California is nearly normal with a mean of 72.5 miles/hour and a standard deviation of 4.7 miles/hour. Use this information to answer the following questions. Round your answers to 2 decimal places. a) What percent of passenger vehicles travel slower than 80 miles/hour? 94.77 b) What percent of passenger vehicles travel between 60 and 80 miles/hour? 94.0700 c) How fast do the fastest 5.5% of passenger vehicles travel? 00.0106 d) The speed limit on this stretch of the I-5 is 70 miles/hour. Approximate what percentage of the passenger vehicles travel above the speed limit on this stretch of the l-5.
asser speeds Freeway (I-5) in California is nearly normal with a mean of 72.5 miles/hour and a standard deviation of 4.7 miles/hour. Use this information to answer the following questions. Round your answers to 2 decimal places. a) What percent of passenger vehicles travel slower than 80 miles/hour? 94.77 b) What percent of passenger vehicles travel between 60 and 80 miles/hour? 94.0700 c) How fast do the fastest 5.5% of passenger vehicles travel? 00.0106 d) The speed limit on this stretch of the I-5 is 70 miles/hour. Approximate what percentage of the passenger vehicles travel above the speed limit on this stretch of the l-5.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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I only need help with parts c and d. Thank you!!!
Transcribed Image Text:3.12 Speeding on the l-5, Part I: The distribution of passenger vehicle speeds traveling on the Interstate 5
Freeway (I-5) in California is nearly normal with a mean of 72.5 miles/hour and a standard deviation of 4.7
miles/hour. Úse this information to answer the following questions. Round your answers to 2 decimal places.
a) What percent of passenger vehicles travel slower than 80 miles/hour? 94.77
b) What percent of passenger vehicles travel between 60 and 80 miles/hour? 94.0700
c) How fast do the fastest 5.5% of passenger vehicles travel? 00.0106
d) The speed limit on this stretch of the l-5 is 70 miles/hour. Approximate what percentage of the passenger
vehicles travel above the speed limit on this stretch of the l-5.
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