62°
57° 1
The measure of Z1 is:
570.
620
1190
None of the...
Mathematics, 03.05.2020 13:29 shelbyp2003
62°
57° 1
The measure of Z1 is:
570.
620
1190
None of these choices are correct.
Answers: 2
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Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2
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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
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