6.3 The daily milk consumption, in liters, dispensed by a milk booth located in a city is a random variable, X, having a continuous uniform distribution with A = 90 and B = 120. Find the probability that on a given day, the amount of milk dispensed by this booth will be (a) at most 100 liters; (b) more than 105 liters but less than 115 liters; (c) at least 105 liters.

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