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The time required to prepare a certain specialty coffee at a local coffee shop is uniformly distributed between 30 and 7'0 seconds. Assuming a customerjust ordered one of these specialty coffees, determine the probabilities described below. a. What is the probability that the preparation time will be more than 48 seconds? b. What is the probability that the preparation time will be between 35 and 6? seconds? 0. What percentage of these specialty coffees will be prepared within 59 seconds? d. What is the standard deviation of preparation times for this specialty coffee at this shop? (... a. P(preparation time more than 48 seconds) = I: (Simplify your answer.) b. P(preparation time between 35 and 6? seconds) = (Simplify your answer.) c. P(preparation time less than or equal to 59)= % (Simplify your answer.) d. c = D (Round to four decimal places as needed.)