Mathematics, 10.07.2019 02:20 mlgrant6121
In a simple random sample of 52 electronic components produced by a certain method, the mean lifetime was 1,050 hours. assume that component lifetimes are normally distributed with population standard deviation 193 hours. what is the upper bound of the 95% confidence interval for the mean lifetime of the components?
Answers: 3
Mathematics, 21.06.2019 19:40
The weights of broilers (commercially raised chickens) are approximately normally distributed with mean 1387 grams and standard deviation 161 grams. what is the probability that a randomly selected broiler weighs more than 1,425 grams?
Answers: 2
Mathematics, 21.06.2019 23:40
Mikes car gets an average of 28 mpg. there are 12 gallons of fuel in mikes car when he starts his trip of 140 miles. about how many gallons are left at the end of his trip?
Answers: 1
Mathematics, 22.06.2019 00:00
Aclothing designer is selecting models to walk the runway for her fashion show. the clothes she designed require each model’s height to be no more than y inches from 5 feet 10 inches, or 70 inches. which graph could be used to determine the possible variance levels that would result in an acceptable height, x?
Answers: 2
In a simple random sample of 52 electronic components produced by a certain method, the mean lifetim...
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