Question
Mark recently took a road trip across the country. The number of miles he drove each day was normally distributed with a mean of 450
Mark recently took a road trip across the country. The number of miles he drove each day was normally distributed with a mean of 450 . If he drove 431.8 miles on the last day with a z-score of -0.7 , what is the standard deviation?
Step by Step Solution
3.45 Rating (145 Votes )
There are 3 Steps involved in it
Step: 1
To find the standard deviation we can use the formula for calculating zscores z x Where z is the ...
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started
Essentials of Econometrics
Authors: Damodar Gujarati, Dawn Porter
4th edition
73375845, 978-0071276078, 71276076, 978-0073375847
