Short Answer
Grades for a statistics exam for a certain class follow the normal probability distribution with a mean of 82 and a standard deviation of 12.What percentage of the students in the class earned a B grade (80-89)?
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q70: The recent average starting salary for new
Q71: A continuous random variable x is normally
Q72: A certain brand of flood lamps has
Q73: Explain why the total area beneath a
Q74: In 2000,the average charge of tax preparation
Q76: Assume x is normally distributed with
Q77: For a normal curve,if the mean is
Q78: The speed of cars passing through a
Q79: The speed of cars passing through a
Q80: In your college campus,30% of the students