Mathematics, 17.03.2021 23:50 hamaama
Construct a 95% confidence interval for the population mean, u. Assume the population has a normal distribution. A sample of 20 part-time workers had mean annual earnings of $3120 with a standard deviation of $677. Round to the nearest dollar.
A.($1324, $1567)
B.($2657, $2891)
C.($2135, $2567)
D.($2803, $3437)
Answers: 2
Mathematics, 21.06.2019 23:30
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
Mathematics, 22.06.2019 01:30
A23 – year – old male buys 100/300/100 liability insurance, collision insurance with a $100 deductible, and comprehensive insurance with a $250 deductible? what is his total annual premium? (a) $1142.00 (b) $1765.45 (c) $1770.10 (d) $1785.25
Answers: 2
Construct a 95% confidence interval for the population mean, u. Assume the population has a normal...
Mathematics, 25.11.2021 07:00
Social Studies, 25.11.2021 07:00
History, 25.11.2021 07:00
Mathematics, 25.11.2021 07:00
Mathematics, 25.11.2021 07:00
English, 25.11.2021 07:00
English, 25.11.2021 07:00
SAT, 25.11.2021 07:00
English, 25.11.2021 07:00