1. The speeds driven by a population of drivers at a particular location on a highway arenormally distributed with a mean of 71 miles per hour and a standard deviation of 5.7miles per hour.What is the probability that a driver selected at random is driving at greater thanthe speed limit of 65 miles per hour? Show a sketch of the normal distribution.a.b. What is the probability that a driver selected at random is driving at less than 75miles per hour? Show a sketch of the normal distribution.What is the probability that a driver selected at random is driving at between 70and 80 miles per hour?

1. The speeds driven by a population of drivers at a particular location on a highway are normally distributed with a mean of 71 miles per hour and a standard deviation of 5.7 miles per hour. What is the probability that a driver selected at random is driving at greater than Show a sketch of the pormal distribution. a.

1. The speeds driven by a population of drivers at a particular location on a highway are normally distributed with a mean of 71 miles per hour and a standard deviation of 5.7 miles per hour. What is the probability that a driver selected at random is driving at greater than Show a sketch of the pormal distribution. a.

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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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

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1. The speeds driven by a population of drivers at a particular location on a highway are
normally distributed with a mean of 71 miles per hour and a standard deviation of 5.7
miles per hour.
What is the probability that a driver selected at random is driving at greater than
the speed limit of 65 miles per hour? Show a sketch of the normal distribution.
a.
b. What is the probability that a driver selected at random is driving at less than 75
miles per hour? Show a sketch of the normal distribution.
What is the probability that a driver selected at random is driving at between 70
and 80 miles per hour?

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