Mathematics, 20.12.2019 19:31 eddsworldfrantic
When a production process is operating correctly, thenumber of units produced per hour has a normal distri- bution with a mean of 92.0 and a standard deviation of3.6. a random sample of 4 different hours was taken. a. find the mean of the sampling distribution of thesample means. b. find the variance of the sampling distribution ofthe sample mean. c. find the standard error of the sampling distribu-tion of the sample mean. d. what is the probability that the sample mean ex-ceeds 93.0 units?
Answers: 1
Mathematics, 21.06.2019 17:30, paiged2003
The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?
Answers: 1
Mathematics, 21.06.2019 20:00, genyjoannerubiera
The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?
Answers: 2
Mathematics, 21.06.2019 22:30, ondreabyes225pcr83r
Adistribution has the five-number summary shown below. what is the third quartile, q3, of this distribution? 22, 34, 41, 55, 62
Answers: 2
When a production process is operating correctly, thenumber of units produced per hour has a normal...
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