Now look at this.lol but pls help me
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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, 21.06.2019 23:40, nightmarewade03
Determine the standard form of the equation of the line that passes through (-2,0) and (8,-5)
Answers: 1
Mathematics, 22.06.2019 01:10, aidanfbussiness
I'm marking the brainliest and it's 15 points
Answers: 1
Mathematics, 22.06.2019 02:00, kayleahwilliams6
The line plot below represents the number of letters written to overseas pen pals by the students at the waverly middle school. each x represents 10 students. how many students wrote more than 6 and fewer than 20 letters. a.250 b.240 c.230 d.220
Answers: 1
History, 29.06.2019 09:30
History, 29.06.2019 09:30
Social Studies, 29.06.2019 09:30
Mathematics, 29.06.2019 09:30