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A thin circular sheet of aluminum has a radius of 20 cm and a thickness of 0.5mm. Find the mass of the sheet.
1. Fit the saturated regression of the number of projects per 1,000 on the variables defined in the next 33 columns of the data table (Pct Added Housing Sq Ft through Income [per cap] 2000).
A researcher conductued a study of the access speed of 35 hard drives and concluded that his maximum error of estimate was 35. If he were to conduct a second study to reduce the maximum error of estimate to 7, about how many hard drives should he ..
a real estate research firm monitors the cost of apartment rentals in a large newfoundland city. the mean rental rate
a fourth grade student has a list of 8 books for her subjects. due to rising costs the student cannot afford to buy all
The mean score for freshman on an aptitude test at a certain college is 800 with a standard deviation of 50. That is the probability that two groups of students selected at random, consisting of 36 and 49 students, respectively, will differ in the..
A researcher at UPEI said she wanted to do a study on education. She is interested in how our Soc332 education variable (in years) breaks down. From SPSS, calculate the mean of Education and the standard deviation
Test to determine whether the correlation in the population is zero, versus the alternate hypothesis that the correlation is greater than zero. Use the 0.05 significance level.
A person hired a firm to build a CB radio tower. The firm charges $100 for labor for first 10 feet. After that, the cost of labor for each succeeding 10 feet is $25 more than the preceding 10 feet.
a survey of 100 recent fatal traffic accidents showed that 60 were alcohol-related. find the 95 confidence interval of
Will an SRS of size 1785 usually give a result p-hat within plus or minus 3 percentage points of the true population proportion? Explain.
The management of a chain of fast food restaurants wants to investigate the relationship between the daily sales volume (in dollars) of a company restaurant and the number of competitor restaurants within a 1 mile radius. The following data have b..
One variable recorded is the count X of finish defects (dimples, ripples, etc) in the car's paint. Is it reasonable to use a binomial distribution?
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