a. Airlines often sell more tickets for a flight than there are seats, because some ticket holders don't show up for the flight. An airline estimates that 94% of ticket holders actually show up for the flight. If the airline sells 50 tickets, what is the probability that exactly 47 of the ticket holders will show up for the flight? Final Answer|0.2311 b. Suppose that 11% of people are left-handed. If 90 people are randomly selected, what is the probability that no more than 7 of them are left-handed? Final Answer | 0.0917 C. A survey sponsored by the Vision Council showed that 76% of adults need correction for their eyesight. If 60 adults are randomly selected, find the probability that at least 54 of them need correction for their eyesight. Final Answer| 0.0035 d. The National Coffee Association reported that 68% of U.S. adults drink coffee daily. A random sample of 100 U.S. adults is selected. Find the probability that less than 60 of the sampled adults drink coffee daily. Final Answer| 0.0136 e. A new medical procedure produces side effects in 26% of the patients who receive it. In a clinical trial, 60 people undergo the procedure. What is the probability that more than 21 experience side effects. Final Answer |0.0205 f. Of all the registered automobiles in California, 6% fail the state emissions test. 40 automobiles are selected at random to undergo an emissions test. Find the probability that at least one of them fail the test. Final Answer |0.2149