that the speed at which cars go on the freeway is normally distributed with mean 65 mph ar d deviation 6 miles per hour. Let X be the speed for a randomly selected car. at is the distribution of X? X-N 65 one car is randomly chosen, find the probability that it is traveling more than 61 mph. Round to 4 umal places. 0.7486 6 می می f one of the cars is randomly chosen, find the probability that it is traveling between 66 and 69 mph. und to 4 decimal places. 0.2478 X Question Help: Written Example Message instructor
that the speed at which cars go on the freeway is normally distributed with mean 65 mph ar d deviation 6 miles per hour. Let X be the speed for a randomly selected car. at is the distribution of X? X-N 65 one car is randomly chosen, find the probability that it is traveling more than 61 mph. Round to 4 umal places. 0.7486 6 می می f one of the cars is randomly chosen, find the probability that it is traveling between 66 and 69 mph. und to 4 decimal places. 0.2478 X Question Help: Written Example Message instructor
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Suppose that the speed at which cars go on the freeway is normally distributed with mean 65 mph and
standard deviation 6 miles per hour. Let X be the speed for a randomly selected car.
a. What is the distribution of X? X-N 65
b. If one car is randomly chosen, find the probability that it is traveling more than 61 mph. Round to 4
decumal places. 0.7486
#
3
c. If one of the cars is randomly chosen, find the probability that it is traveling between 66 and 69 mph.
Round to 4 decimal places. 0.2478
Question Help: Written Example Message instructor
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