subject
Mathematics, 03.12.2019 22:31 anaisejackson19

Acivil engineering model for w, the weight (in units of 1000 pounds) that a span of a bridge can withstand without sustaining structural damage is normally distributed. suppose that for a certain span w∼n(400,402). suppose further that the weight of cars traveling on the bridge is a random variable with mean 3.5 and standard deviation 0.35. approximately how many cars would have to be on the bridge span simultaneously to have a probability of structural damage that exceeded 0.1?

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 17:30
The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.
Answers: 3
question
Mathematics, 22.06.2019 05:00
Willard f. libby received his undergraduate degree from . after he completed his graduate work, he became a professor at . in 1960, he won a nobel prize in .
Answers: 3
question
Mathematics, 22.06.2019 06:30
Javon needs two 5 foot pieces of rope for the sides of the ladder. she needs 7 pieces of rope each 18 inches long for the steps. how many feet of rope does patty need to make the ladder?
Answers: 1
question
Mathematics, 22.06.2019 06:40
Which is the directrix of a parabola with equation x2=8y y = 2 x= -2 y=-2 x= 2
Answers: 1
You know the right answer?
Acivil engineering model for w, the weight (in units of 1000 pounds) that a span of a bridge can wit...
Questions
question
Spanish, 25.08.2020 22:01
Questions on the website: 13722367