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A) 30% of flowers of a certain species bloom early (before May 1st). You work for an arboretum and have a display of these flowers.

A) 30% of flowers of a certain species bloom early (before May 1st). You work for an arboretum and have a display of these flowers. Round all probabilities to 4 decimal places. In a row of flowers, what is the probability that you will observe more than 4 flowers before you see the first one that blooms early? B) The average number of miles (in thousands) that a car's tire will function before needing replacement is 68 and the standard deviation is 19. Suppose that 42 randomly selected tires are tested. Round all answers to 4 decimal places where possible and assume a normal distribution. If a randomly selected individual tire is tested, find the probability that the number of miles (in thousands) before it will need replacement is between 65 and 68.6. For the 42 tires tested, find the probability that the average miles (in thousands) before need of replacement is between 65 and 68.6. For part b, is the assumption that the distribution is normal necessary? NoYes

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