Mathematics, 13.02.2020 18:50, Jduxn
Let A = 1 2 1 −2 and b = 4 0 be a 2 × 2-matrix and a 2 × 1-column vector respectively. Write b as a linear combination of the column vectors of A, and hence conclude that the linear equation Ax = b is consistent.
Answers: 2
Mathematics, 21.06.2019 23:00, davisbrittany5784
Apoll is being conducted at a mall nothingto obtain a sample of the population of an entire country. what is the frame for this type of​ sampling? who would be excluded from the survey and how might this affect the results of the​ survey? what is the frame for this type of​ sampling? a. the frame is people who need new clothes. b. the frame is people who shop at the mall. c. the frame is people who like to shop. d. the frame is the entire population of the country. who would be excluded from the survey and how might this affect the results of the​ survey? a. any person that does not need new clothes is excluded. this could result in sampling bias due to undercoverage. b. any person who does not shop at the mall is excluded. this could result in sampling bias due to undercoverage. c. any person who does not shop at the mall is excluded. this could result in nonresponse bias due to people not participating in the poll. d. there is nobody that is being excluded from the survey.
Answers: 3
Mathematics, 21.06.2019 23:00, kobiemajak
Jim had 3,067.48 in his checking account he wrote a check to pay for two airplane tickets. his account now has 1,845.24.
Answers: 1
Let A = 1 2 1 −2 and b = 4 0 be a 2 × 2-matrix and a 2 × 1-column vector respectively. Write b as a...
Mathematics, 03.03.2021 04:40
History, 03.03.2021 04:40
Mathematics, 03.03.2021 04:40
English, 03.03.2021 04:40
History, 03.03.2021 04:40
English, 03.03.2021 04:40