leaaaaaaaaaaaa leaaaaaaaaaaaa

11-05-2018
Mathematics

contestada

The scores on a final exam were approximately normally distributed with a mean of 82 and a standard deviation of 11. If 85 students took the exam, and above a 60 is a passing grade, how many students failed the exam?

A. 2
B. 12
C. 13
D. 1

Respuesta :

Professor1994 Professor1994

12-05-2018

Hello,
Please, see the attached file.
Thanks.

Ver imagen Professor1994

Answer Link

Otras preguntas

50/7 as a mixed number

how do you use distributive property to find the answer of 75 divided by 3

A bus slams on its breaks and goes from 30 km/hr to 15km/hr in 4 seconds. What is its acceleration?

The kinetic energy of a substance is the _________ kinetic energy of its particles

which number between 20 and 29 has 2 and 3 in its prime factorization?

why does salt separated from a salt water solution look different than the salt that dissolved in the water

write 2,000,000,000 + 70,000,000 + 100,000 + 3,000 + 800 + 10 in standard form.

what is the outlet of a river called

each year Lizzie's school purchases students agenda books, which are sold in the school store. This, the school purchased 350 books at a cost of $1,137.50 if th

rename the number 25,600 = hundreds