Mathematics, 07.04.2020 18:44 tfracciscoramon
Suppose that the speed at which cars go on the freeway is normally distributed with mean 68 mph and standard deviation 5 miles per hour. Let X be the speed for a randomly selected car. Round all answers to two decimal places.
A. X ~ N( , )
B. If one car is randomly chosen, find the probability that is traveling more than 70 mph.
C. If one of the cars is randomly chosen, find the probability that it is traveling between 65 and 75 mph.
D. 90% of all cars travel at least how fast on the freeway? mph.
Answers: 3
Mathematics, 20.06.2019 18:04
P= $1400,300 r = 7 1/2% t = 4 what is i ? $4.29 $429.00 $4290.00
Answers: 1
Mathematics, 21.06.2019 15:20
Which is the equation of an ellipse with directrices at x = Β±4 and foci at (2, 0) and (β2, 0)?
Answers: 3
Suppose that the speed at which cars go on the freeway is normally distributed with mean 68 mph and...
Mathematics, 30.06.2019 00:00
Mathematics, 30.06.2019 00:00
History, 30.06.2019 00:00
Mathematics, 30.06.2019 00:00
Social Studies, 30.06.2019 00:00
Geography, 30.06.2019 00:00
Mathematics, 30.06.2019 00:00
History, 30.06.2019 00:00
Mathematics, 30.06.2019 00:00
Mathematics, 30.06.2019 00:00
Mathematics, 30.06.2019 00:00
Mathematics, 30.06.2019 00:00