subject
Mathematics, 04.08.2019 02:10 Skye251

The weights of cars passing over a bridge has a mean of 3550 lb and a standard deviation of 870 lb. assume that the weights of the cars are passing over the bridge are normally distributed. what is the probability that thr weight of a randomly-selected car passing over the bridge is than 3,000 pounds.
a. 50.15%
b. 25.93%
c. 47.13%
d. 74.07%

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 17:30
For which pair of functions is (gof)(a)=|a|-2?
Answers: 1
question
Mathematics, 21.06.2019 17:30
Use the net as an aid to compute the surface area of the triangular prism. a) 550 m2 b) 614 m2 c) 670 m2 d) 790 m2
Answers: 1
question
Mathematics, 21.06.2019 18:00
In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?
Answers: 3
question
Mathematics, 21.06.2019 22:10
Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.
Answers: 2
You know the right answer?
The weights of cars passing over a bridge has a mean of 3550 lb and a standard deviation of 870 lb....
Questions
question
Mathematics, 30.11.2020 22:50
question
English, 30.11.2020 22:50
question
Computers and Technology, 30.11.2020 22:50
question
Mathematics, 30.11.2020 22:50