meredith48034
meredith48034 meredith48034
  • 03-08-2019
  • Mathematics
contestada

weights of cars passing over Bridge part 3
​

weights of cars passing over Bridge part 3 class=

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 03-08-2019

Answer:

  d. 30.42%

Step-by-step explanation:

A suitable calculator pegs the probability of exceeding 0.51724 standard deviations above the mean as about 0.3025 = 30.25%. The closest answer is choice D.

  Z = (X -μ)/σ = (4000 -3550)/870 = 450/870 ≈ 0.51724

_____

Comment on the answer choices

30.42% is the probability of exceeding 3995 pounds, not 4000.

Answer Link

Otras preguntas

In order for the states to receive an amendment for consideration, ________ of each House of Congress has to approve it.
principle of thedolite​
A teaspoon of powdered caffeine can be as deadly as a teaspoon of ricin. True or False
to what extent did the enlightenment impact the American and French revolutions?
I will mark brainliest
In terms of particles what is the mass number of 12
QuestiVIT O PUMUS) Which of the following resulted from King Philip's War?
A 9-kilogram bag of cement costs $12.22. What is the unit price, rounded to the nearest cent
16. Find the determinant of K. A. 913 B. 1 C. 671 D. 597
if your not fit to drive you have a responsibility to