Answer 29 a & b

survey will (erroneously) indicate that Pepsi is pre- ferred by more people than Coke? Does this probabil- ity increase or decrease as we take larger and larger samples? Why? A firm's office contains 150 PCs. The probability that a given PC will not work on a given day is 0.05. a. On a given day what is the probability that exactly one computer will not be working? two computers will not be working? and b require? Do you think they are reasonable? b. On a given day what is the probability that at least c. What assumptions do your answers in parts a Explain. Suppose that 4% of all tax returns are audited. In a group of n tax returns, consider the probability that 30. at most two returns are audited. How large must n be before this probability is less than 0.01? is normally distributed with = 64 inches and = 4 females 3 Suppose that the height of a typical American female inches. We observe the height of 500 American a. What is the probability that fewer than 35 of the omen will be less than 58 iuu