Author Question: The median score for the final exam in a chemistry class was 75 and 18 of the students received a ... (Read 118 times)

ARLKQ · **on:** Jun 24, 2018

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 2

Initial estimates of the probabilities of events are known as:

A) joint probabilities.
B) posterior probabilities.
C) prior probabilities.
D) conditional probabilities.