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Question 6. 5pts Weights of Lamb after eight weeks after born are normally distributed with mean = 14 kg and variance 2 = 4. (a)

Question 6. 5pts Weights of Lamb after eight weeks after born are normally distributed with mean = 14 kg and variance 2 = 4.

(a) (2 pts) Find the probability p that a single lamb has weight less than 12 kg.

(b) (3 pts) Find the probability that exactly 3 of the next 5 lambs examined will have weights less than 12 kg.

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