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Direction: Solve the following problems. Instruction: Analyze the problem below by providing a comprehensive answer from the given question. Write the complete solution on the space provided. The amount of time that sales manager devote to their jobs per week is normally distributed with a mean of 55 hours and a standard deviation of 5 hours. What is the probability that 30 randomly selected sales manager works for: a. More than 53 hours per week b . Between than 52 and 56 hours per week