Question: 1. A manufacturing process results in nuts with an average weight of 85 gr and a standard deviation of 10 gr. What is the

1. A manufacturing process results in nuts with an average weight of

1. A manufacturing process results in nuts with an average weight of 85 gr and a standard deviation of 10 gr. What is the probability of any nut to weigh more than 120 gr? What is the percentage of nuts with a weight between 80 and 90 gr? 2. A batch of 20 recently purchased electric motors is tested, yielding a mean torque of 120 Nm and a standard deviation of 15 Nm. Any motors with torque lower than 110 Nm will be rejected. What is the probability of any motor being rejected? Use a) infinite statistics, b) finite statistics.

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