In: Statistics and Probability
A student guesses blindly on a 20 question true/false test.
a) Using the binomial probability formula, find probability the student gets exactly 3 out 20 correct.
b) Using the binomial probability formula, find probability the student gets 3 or less questions correct.
c) Using a calculator or table of values, find probability the student gets at least a 60% score on the test.