Mathematics, 01.11.2019 22:31 jamiezanfardino1464
In a poll, 44% of the voters say they plan to reelect the mayor. the poll has a margin of error of ±3 percentage points. use a model to write and solve an absolute value inequality to find the least and greatest percents of voters who plan to reelect the mayor.
Answers: 2
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
The art class is planning to paint a mural on an outside wall. this figure is a scale drawing of the wall. width: 11 in length: 28 in unit rate: 1.5 ft per in. write the ratio of the area of the drawing to the area of the actual mural. write your answer as a unit rate. show that this unit rate is equal to the square of the unit rate 1.5 ft per in
Answers: 1
In a poll, 44% of the voters say they plan to reelect the mayor. the poll has a margin of error of ±...
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