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Suppose the chance of selecting a female adult at random in the population is exactly π= 0.5 (ie: 50%). What is the probability that I choose 10 adults at random and I get the number of females in the sample to be between 4 and 6? I choose 100 adults at random and I get the number of females in the sample to be between 45 and 55?
The national median sales price for new single-family homes is $230,000 (The Associated Press, March 25, 2006). Assume that the following data were obtained for sales of existing single-family homes in Houston and Boston.
what is the probability that this person is a female who engages in physical exercise activities during the lunch hour?
The fastest horse in Kentucky Derby history was Secretariat in 1973. - Has the performance increased at the same rate throughout the last 130 years?
Use the CPI to calculate the estimate at completion (EAC) for this project. Is the project performing better or worse than planned?
Use a spreadsheet with the data below to find the all-items index numbers listed below for Years 1 and 2 with Year 0 as the base year.
A first year medical school class (n = 200) took a first midterm examination in human physiology. The results were as follows (_X = 65, S = 7). Explain how you would standardize any particular score from this distribution, and then solve the follo..
Minimal risk? You have been invited to serve on a college's institutional review board. You must decide whether several research proposals qualify.
Analyze the data. Write a summary of your results concerning the relationship between the adhesive and the occurrence of face checks. Be sure to include numerical and graphical summaries as well as the details of your significance tests.
Suppose that you studied all of the test scores for the final spelling test of the year for 3rd-grade girls and boys at a particular school.
The mean time required to complete a certain type of construction project is 52 weeks with a standard deviation of 3 weeks. Answer questions 4-7 using the preceding information and modeling this situation as a normal distribution.
List the outcomes in this experiment.- What is the probability that both tires selected will be defect-free?- What is the probability that at least one of the tires selected will have a defect?
Manufacturing and Product Development The radial shrinkage in paper birch wood from green to oven dry is approximately 6.3%.
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