Students are usually tested on various subjects to determine the level of intelligence. in an intelligence examination administered to 2000 students of MBA programmes, the average score recorded by the lecturer was 42 and deviation of the scores from their mean is 24. assuming that the distribution of scores is normal, find... a. the number of students whose score exceeds 50
b. the number of students whose score is between 30 and 40
c. the score corresponding to the standardized normal value of 2
d. what is the probability of a score which is less than 70
e. how many students would have a score of at least 66