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Problem 4: A particular hair treatment sample of 15 users is obtained. Determine the following probablities program has caused hair growth in 70% of its users. A random a) That exactly 15 experienced hair growth. b) That less than 9 experienced hair growth c) That more than 12 experience hair growth. d) That at least 10 experience hair growth. e) That at most 7 experienced hair growth. Problem 5: The probabilities and the number of automobiles lined up at a Lakeside Olds at opening time (7:30 a.m.) for service are: Probability 0.05 0.30 0.40 0.25 Number a) On a typical day, how many automobiles should Lakeside Olds expect to be lined up at opening? b) What is the Standard Deviation of this study?
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