4.
Evaluate the expression.
33 + 2 x 20 - 4^3 =...
Answers: 3
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
Mathematics, 21.06.2019 20:00, proutyhaylee
Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.
Answers: 1
Mathematics, 22.06.2019 00:30, jayline2003
y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?
Answers: 1
Mathematics, 10.09.2020 06:01
Mathematics, 10.09.2020 06:01
Mathematics, 10.09.2020 06:01
Mathematics, 10.09.2020 06:01
Mathematics, 10.09.2020 06:01
Mathematics, 10.09.2020 06:01
Mathematics, 10.09.2020 06:01
Mathematics, 10.09.2020 06:01
Mathematics, 10.09.2020 06:01
Mathematics, 10.09.2020 06:01