2. Manufacturer A produces hammers that are normally distributed with a mean weight of 4.6 lb and a standard deviation of 0.8 lb. Manufacturer B produces hammers that are normally distributed with a mean weight of 6.3 lb and a standard deviation of 1.4 lb.
(a) What percentage of Manufacturer A’s hammers will weigh less than 5 lb?
(b) What percentage of Manufacturer B’s hammers will weigh less than 5 lb?
(c) Which manufacturer is more likely to produce a hammer weighing exactly 5.2 lb? Explain.
1 answer
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