Mathematics, 25.03.2021 19:00 lilagvaldez15
If the length is 2/7 unit and the width is 3/7 unit, what is the perimeter of the rectangle in units?
Answers: 2
Mathematics, 21.06.2019 19:30
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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 22:30
Averyâs piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.
Answers: 1
If the length is 2/7 unit and the width is 3/7 unit, what is the perimeter of the rectangle in units...
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