Can someone help me with number 18
...
Answers: 1
Mathematics, 21.06.2019 19:00
Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)
Answers: 2
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 23:40
If f(x) = -5x + 1 and g(x) = x3, what is (gºf)(0)? enter the correct answer
Answers: 1
Biology, 25.07.2019 07:00
History, 25.07.2019 07:00
History, 25.07.2019 07:00
Social Studies, 25.07.2019 07:00
Biology, 25.07.2019 07:00
History, 25.07.2019 07:00
Mathematics, 25.07.2019 07:00
Chemistry, 25.07.2019 07:00
History, 25.07.2019 07:00
History, 25.07.2019 07:00