![subject](/tpl/images/cats/mat.png)
Mathematics, 20.05.2021 19:20 Absynthe3986
The weights of cars passing over a bridge have a mean of 3,550 pounds and
standard deviation of 870 pounds. Assume that the weights of the cars passing over
the bridge are normally distributed. Use a calculator to find the probability that the
weight of a randomly-selected car passing over the bridge is more than 4,000
pounds.
a) 30.42%
b) 50%
C) 69.58%
d) 39.34%
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 15:00
Let the mean of the population be 38 instances of from 6" - 9" hatchings per nest, and let the standard deviation of the mean be 3. what sample mean would have a confidence level of 95% or a 2.5% margin of error?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 02:30
Shannon mary and john earn a weekly allowance ahannon earns the amount that is 2/3 of what john earns mary earns an amount that is 1 2/3 of what johns earns 20 dollars a week who eaens the greatest allowance and who earns the least
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 04:00
The height, h, of a cylinder is 5 units less than 3times its radius, r. which expression represents the height of the cylinder in terms of its radius
Answers: 2
![question](/tpl/images/cats/mat.png)
You know the right answer?
The weights of cars passing over a bridge have a mean of 3,550 pounds and
standard deviation of 870...
Questions
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/fizika.png)
Physics, 21.01.2020 01:31
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.01.2020 01:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)