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, 20.06.2019 18:04
Abus ride for a senior citizen cost $1.25. a monthly pass costs $35. write and inequality that represents the number of times a senior citizen must ride the bus for the monthly pass to be a better deal.
Answers: 1
Mathematics, 21.06.2019 17:00
High schoolmathematics 5 points keith is the leading goal scorer for a team in an ice hockey league. last season, he scored 42 goals in 82 games. assuming he scores goals at a constant rate, what is the slope of the line that represents this relationship if the number of games is along the x-axis and the number of goals is along the y-axis?
Answers: 1
Mathematics, 21.06.2019 17:50
When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:
Answers: 1
Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs t...
Mathematics, 14.01.2021 21:40
Chemistry, 14.01.2021 21:40
Social Studies, 14.01.2021 21:40
History, 14.01.2021 21:40
Chemistry, 14.01.2021 21:40
History, 14.01.2021 21:40
Mathematics, 14.01.2021 21:40
Mathematics, 14.01.2021 21:40