Mathematics, 03.02.2020 16:02 madisonrosamond99
Alarge company wanted to know how the average salary of their employees had changed over the last year. the results of their study had a p-value of 0.12 and showed that the average salary had increased by $1,500 from $20,000 to $21,500. what should we conclude about the results of this study?
Answers: 2
Mathematics, 21.06.2019 15:30
Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. what is an equivalent fraction for the red tiles?
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Mathematics, 21.06.2019 19:40
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, 21.06.2019 20:30
What is the difference between the equations of a vertical and a horizontal line?
Answers: 2
Alarge company wanted to know how the average salary of their employees had changed over the last ye...
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