Answers: 1
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 20:00
Karen will divide her garden into equal parts. she will plant corn in 8/12 of the garden. what is the lowest number of parts she can divide her garden into?
Answers: 1
Mathematics, 21.06.2019 23:20
6cm10 cma conical paper cup has dimensions as shown in the diagram. how much water can the cup hold when full?
Answers: 1
Mathematics, 22.06.2019 03:20
The table shows the height in feet of several students in miss patelβs class
Answers: 1
Square the binomial: (4x-5)^2...
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