Mathematics, 10.09.2020 01:01, ogiebert
In a public opinion poll, a polling company used an online survey tool to randomly contact respondents who did not have telephone lines in addition to contacting people over the phone. Which of the following best explains this decision? The company saved money because it did not need to hire as many telephone interviewers to conduct the poll. The company saved money because it did not need to hire as many telephone interviewers to conduct the poll. The company was establishing a benchmark poll at the beginning of a campaign. The company was establishing a benchmark poll at the beginning of a campaign. The company was interested in asking different questions to different individuals. The company was interested in asking different questions to different individuals. The company wanted to ensure that the sample of the population was truly random. The company wanted to ensure that the sample of the population was truly random.
Answers: 1
Mathematics, 22.06.2019 00:50, lorraneb31
C. using a standard deck of 52 cards, the probability of selecting a 4 of diamonds or a 4 of hearts is an example of a mutually exclusive event. true of false
Answers: 1
Mathematics, 22.06.2019 01:00, saigeshort
Pentagon abcde is dilated according to the rule do,3(x, y) to create the image pentagon a'b'c'd'e', which is shown on the graph. what are the coordinates of point a of the pre-image? a) (-1, 1)b) (-1, 2)c) (-9, 6)d) (-9, 18)
Answers: 3
Mathematics, 22.06.2019 03:10, CM0
The coverage of a base station of a telecommunication company forms a disk with a radius of (kilometers). let be the distance of a cellphone from a base station. assume that the location of cellphones in use are randomly uniformly distributed within the disk. calculate the mean and variance for the random variable.
Answers: 3
In a public opinion poll, a polling company used an online survey tool to randomly contact responden...
Mathematics, 15.01.2021 03:40
Mathematics, 15.01.2021 03:40
Mathematics, 15.01.2021 03:40
Mathematics, 15.01.2021 03:40