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
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
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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
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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
Submit Question Jump to Answer
$
10
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4
%
S
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Q Search
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G
49
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4-
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C
N
8
00
می می
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144
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K
M
4
O
O
J
P
A
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