What is the probability that a student who is not in band plays an instrument?
Band Not in ban...
Mathematics, 23.04.2020 23:14 Kaycieb
What is the probability that a student who is not in band plays an instrument?
Band Not in band Total
Play instrument
20
5 25
Don't play instrument 0
2 5 25
Total
20 30 50
A. 5/30
b. 5/50
C. 5/25
D. 20/25
Answers: 2
Mathematics, 21.06.2019 22:00, Thejollyhellhound20
The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.
Answers: 1
Mathematics, 21.06.2019 23:30, claytonhopkins
In a study of the relationship between socio-economic class and unethical behavior, 129 university of california undergraduates at berkeley were asked to identify themselves as having low or high social-class by comparing themselves to others with the most (least) money, most (least) education, and most (least) respected jobs. they were also presented with a jar of individually wrapped candies and informed that the candies were for children in a nearby laboratory, but that they could take some if they wanted. after completing some unrelated tasks, participants reported the number of candies they had taken. it was found that those who were identiď¬ed as upper-class took more candy than others. in this study, identify: (a) the cases, (b) the variables and their types, (c) the main research question, (d) identify the population of interest and the sample in this study, and (e) comment on whether or not the results of the study can be generalized to the population, and if the ď¬ndings of the study can be used to establish causal relationships.
Answers: 2
Physics, 11.03.2021 17:30
Mathematics, 11.03.2021 17:30
Physics, 11.03.2021 17:30