Mathematics, 09.10.2019 23:30 tiannaetzel
Aboat capsized and sank in a lake. based on an assumption of a mean weight of 149 lb, the boat was rated to carry 70 passengers (so the load limit was 10 comma 430 lb). after the boat sank, the assumed mean weight for similar boats was changed from 149 lb to 173 lb. complete parts a and b below. a. assume that a similar boat is loaded with 70 passengers, and assume that the weights of people are normally distributed with a mean of 177.2 lb and a standard deviation of 35.8 lb. find the probability that the boat is overloaded because the 70 passengers have a mean weight greater than 149 lb. the probability is
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Astandard american eskimo dog has a mean weight of 30 pounds with a standard deviation of 2 pounds. assuming the weights of standard eskimo dogs are normally distributed, what range of weights would 99.7% of the dogs have? approximately 26–34 pounds approximately 24–36 pounds approximately 28–32 pounds approximately 29–31 pounds
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Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.
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Aboat capsized and sank in a lake. based on an assumption of a mean weight of 149 lb, the boat was r...
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