Mathematics, 03.11.2020 17:00 thechameleonnaire
According to the US Bureau of Labor Statistics publication News, self-employed persons with home-based businesses work a mean of 23 hours per week at home with a standard deviation of 10 hours. a. Identify the population and variable. b. For samples of size 100, find the mean and standard deviation of all possible sample mean hours worked per week at home. c. Repeat part (b) for samples of size 1000. d. What effect has increasing the sample size on the mean and standard deviation of all possible sample mean hours worked per week at home
Answers: 3
Mathematics, 21.06.2019 19:40
The cross-sectional areas of a right triangular prism and a right cylinder are congruent. the right triangular prism has a height of 6 units, and the right cylinder has a height of 6 units. which conclusion can be made from the given information? the volume of the triangular prism is half the volume of the cylinder. the volume of the triangular prism is twice the volume of the cylinder. the volume of the triangular prism is equal to the volume of the cylinder. the volume of the triangular prism is not equal to the volume of the cylinder.
Answers: 1
Mathematics, 21.06.2019 22:30
60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums, 28 play drums, 18 play the guitar. what is the probability that the applicant who gets the job plays drums or guitar?
Answers: 1
Mathematics, 22.06.2019 00:20
Acircle has a radius of 12.6cm what is the exact length of an arc formed by a central angle measuring 120
Answers: 1
According to the US Bureau of Labor Statistics publication News, self-employed persons with home-bas...
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