Mathematics, 28.03.2021 19:40 lanaasad7292
How can I put y=-0.67x^2+3.33x into standard form? the vertex is (2.48, 4.1). I also need to show every step and Im not sure how to do that either
Answers: 2
Mathematics, 21.06.2019 19:40, evarod
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
How can I put y=-0.67x^2+3.33x into standard form? the vertex is (2.48, 4.1). I also need to show ev...
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