4. A textbook has 428 pages numbered in order starting with 1. You flip to a random
page in the book in a way that it is equally likely to stop at any of the pages.
a. What is the sample space for this experiment?
b. What is the probability that you turn to page 45
c. What is the probability that you turn to an even-numbered page?
d. If you repeat this experiment 50 times, about how many times do you expect
you will turn to an even numbered page?