The length of a randomly chosen Atlantic blue-fin tuna from a tuna fishery is normally distributed with mean 172 cm and standard deviation 40 cm. a) Find the probability that a randomly chosen tuna's length is greater than 200 cm. b) Find the probability that a randomly chosen tuna's length is between 160 cm and 265 cm. c) A tuna whose length is in the bottom 20% of all recorded heights is classified in the market as small. Find the maximum length required to be classified as small.

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