Mathematics, 21.08.2019 23:30 natu2072
Aclass has 21 girls and 12 boys. what is the probability that a boy's name is drawn at random
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Mathematics, 21.06.2019 14:50
Name the most appropriate metric unit for each measurement like a length of an carrot
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Mathematics, 21.06.2019 18:00
Liz is shipping a package to her friend.the maximum weight of a medium flat-rate box is 20 pounds,including the box which weighs 6 ounces.write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.
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
Aclass has 21 girls and 12 boys. what is the probability that a boy's name is drawn at random...
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