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Mathematics, 04.04.2020 08:55 kandiigurlz23

Making handcrafted pottery usually takes two major steps:wheel throwing and firing. The time of wheel throwing and thetime of firing are normally distributed random variables with meansof 40 min and 60 min and standard deviations of 2 min. and 3 min, respectively.

(a) What is the probability that a piece of pottery will befinished within 95 minutes?

(b) What is the probability that it will take longer than 110minutes?

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