QUESTION 1 39.9% of consumers believe that cash will be obsolete in the next 20 years. Assume that 7 consumers are randomly selected. Find the probability that fewer than 3 of the selected consumers believe that cash will be obsolete in the next 20 years. A. 0.6008 B. 0.422 C. 0.7021 D. 0.98 E. 0.4 QUESTION 2 The random variable X, representing the number of cherries in a cherry puff, has the probability distribution shown. x 3 4 5 6 P(X = x) 0.2 0.3 0.4 0.1 Find the mean of X. A. 4.4 B. 5.5 C. 7 D. 3 E. 1 QUESTION 3 The heights reached by 15 model rockets launched by the students in a science class are shown below in the stem and leaf plot. Height reached by rockets (in feet) (2100 represents 200 ft.) 171 203 263 67 316 36 40 43 360 63 67 86 91 439 41 What is the median height reached? A. 391 B. 343 C. 439 D. 441 E. 234