Percentage grade averages were taken across all disciplines at a particular university, and the mean average was found to be 83.6 and the standard deviation was 8.7. If 18 classes were selected at random, find the probability that the class average is less than 80.
A. 0.7427
B. 0.0396
C. 0.0235
D. 0.1730
Answers (2)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Percentage grade averages were taken across all disciplines at a particular university, and the mean average was found to be 83.6 and the ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers
You Might be Interested in
A cone has a diameter of 18 inches. and a height of 14 inches. What is the volume of the cone?
Answers (1)
How many gallons of gas are left after driving 200 miles
Answers (1)
What is the relationship between the two 4s in the number 446.395
Answers (1)
Plot a rectangle with vertices (-1,-4) (-1,6) (3,6), and (3-4) What is the length of the base of the rectangle? units Reset Intro
Answers (2)
The slope intercept of x-y=3
Answers (1)
New Questions in Mathematics
Row counted a total of 40 white cars and yellow cars there were nine times as many white cars as yellow cars how many white cars did Ralph account
Answers (1)
How do I solve c=2πr
Answers (1)
Prove that the value of expression 97+312 is divisible by 90.
Answers (1)
Steve ordered Plastic cases for storing his baseball cards each case has a length of 12 cm a width of 6.5 cm and a height of 1.25 cm what is the volume in cubic centimeters of one baseball card case
Answers (1)
Zareen has 24 minutes to work on her math homework, and each problem is taking her 2/3 of a minute, on average, to complete. Which expression can be used to determine the number of math problems she will be able to complete in the time she has?
Answers (2)