Score on test 3 for statistics score are normally


Score on Test 3 for statistics score are normally distributed with mean 70 and standard deviation 1.5.

a) What is the probability that a student selected at random has a score below 72 on this test?

b) What is the probability that a student selected at random has score above 60 on this test?

c) What is the probability that a student selected at random has a score between 55 and 67 on this test?

d) What scores separates the highest 10% of the observations of the distributions?

e) Find 'a' such that P(x > a) = 0.7

Solution Preview :

Prepared by a verified Expert
Business Management: Score on test 3 for statistics score are normally
Reference No:- TGS02526340

Now Priced at $25 (50% Discount)

Recommended (98%)

Rated (4.3/5)