QUESTION 19 A hat contains 50 jelly beans. Half of the jelly beans are green, and the remaining beans are yellow. The hat was made in Pittsburg by a local textile worker. You are asked to stick your sanitized hand in the hat and randomly select one bean each time. thh replacement, what is the probability you select four yellow beans in a row'.7 50.0% 3.125% 47.9% 6.25% QUESTEON 20 The grading rubric for an introductory statistics class is pass-fail, meaning all students receive either pass or fail grades. Historically, 30% of students fail the course - that is surprisingly high! There are 45 students enrolled in this particular statistics class. What percent of students pass the class? 30% 70% 60% 85% QUESTION 21 A local chain store invited customers to choose which of the three prizes they would like to win in exchange for participating in a short customer satisfaction survey. The responses are contained in the contingency table below. The probability of P(bikelwoman) is closest to Prize Prefernce MP3 Camera Elke Man 117 50 so 227 Women 130 91 an 251 247 141 ED 475 Hint: This is not the same as asking P(bike and woman): Use P(EI|A) = PM and B)/P(A) 53% 6% 12% 33%