Mathematics, 07.07.2019 05:30 Symonek
What are the nex three numbers in the following sequence? 4, 13/3, 14/3, 5, 16/3.
Answers: 2
Mathematics, 21.06.2019 19:40, evarod
Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.
Answers: 3
Mathematics, 22.06.2019 03:40, andrew6494
The ages of personnel in the accounting department of a large company are normally distributed with a standard deviation of 7 years. there is a 0.02275 probability that the age of any randomly chosen person in the department is less than 22 and 0.15866 probabilty that the age of any randomly chosen person is greater than 43. what is the mean of this distribution?
Answers: 3
What are the nex three numbers in the following sequence? 4, 13/3, 14/3, 5, 16/3....
Mathematics, 06.02.2020 01:44
Mathematics, 06.02.2020 01:44
Mathematics, 06.02.2020 01:44
History, 06.02.2020 01:44