THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
The amount of time you have to wait at a particular stoplight is uniformly distributed between zero and two minutes.
-The median score for the final exam in a chemistry class was 75 and 18% of the students received a grade greater than 80.If the test scores were normally distributed,what is the probability that a randomly selected exam had a score between 75 and 80?
A)68%
B)32%
C)80%
D)50%

Question

Quizplus · Accepted Answer

The Answer of THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
The amount of time you have to wait at a particular stoplight is uniformly distributed between zero and two minutes.
-The median score for the final exam in a chemistry class was 75 and 18% of the students received a grade greater than 80.If the test scores were normally distributed,what is the probability that a randomly selected exam had a score between 75 and 80?
A)68%
B)32%
C)80%
D)50%