# Question

Every now and then even a good diamond cutter has a problem and the diamond breaks. For one cutter, the rate of breaks is 0.1%.

(a) What probability model seems well suited to this problem? Why?

(b) If this cutter works on 75 stones, what is the probability that he breaks 2 or more?

(a) What probability model seems well suited to this problem? Why?

(b) If this cutter works on 75 stones, what is the probability that he breaks 2 or more?

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