Mathematics, 01.07.2019 04:30, MarlonJ02
1) a student can make a weekly salary of $200 plus a 15% commission on sales at the radio barn or a weekly salary of $300 plus 10% commission on sales at woofer, etc. for what amount of sales do these two jobs pay the same? be sure to show all of your work including the system of equations you are working with and how you found your final answer. also be sure to change the percentages into decimals! 2) classify the system {x - 5 = -y} {2y - 10 = -2x} inconsistent independent dependent 3) classify the system {2x = y - 7} {4x - 2y - 14 = 0} independent inconsistent dependent
Answers: 1
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 23:30, jtroutt74
Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.
Answers: 1
Mathematics, 22.06.2019 03:30, davidsouth444
Calculate the mean value (expected value) of the following discrete variable x (10 points): x = 0, 1, 2, 3, 4, 5, 6 p(x) = 0.2, 0.2, 0.15, 0.15, 0.15, 0.1, 0.05
Answers: 1
1) a student can make a weekly salary of $200 plus a 15% commission on sales at the radio barn or a...
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