Mathematics, 23.07.2019 01:40, engbarthcobie
An advisor to the mayor of a large city wants to estimate, within 3 minutes, the mean travel time to work for all employees who work within the city limits. he knows that the standard deviation for all travel times is 12.25 minutes. he also wants to achieve a 95% confidence interval. he will poll a random sample of city employees. at least how many employees should he poll?
Answers: 1
Mathematics, 21.06.2019 19:30, taylor511176
Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?
Answers: 1
Mathematics, 21.06.2019 19:30, shay03littletop5kx2p
Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)
Answers: 2
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