Plz help me with this
...
Mathematics, 16.02.2021 06:10 Rooster04
Plz help me with this
Answers: 1
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, 21.06.2019 21:00, trinitymarielouis
How do you write y-10=2 (x-8) in standard form
Answers: 1
Mathematics, 21.06.2019 21:30, cassandramanuel
Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?
Answers: 1
Social Studies, 07.11.2020 04:20
Computers and Technology, 07.11.2020 04:20
Mathematics, 07.11.2020 04:20
Mathematics, 07.11.2020 04:20