Develop the confidence interval for the population mean
A random sample of 40 students has mean annual earnings of $3120 and standard deviation of $677. Develop the confidence interval for the population mean? If c = 0.95. Show all work!
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The given data are the distances from the workplace (in miles) for the five employees of the small business:
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Find out the smallest number of whole blocks (comprising the one on the ground) which can be stacked so that their weight makes a gauge pressure of at least two atmospheres on the ground below the first block?
Transform each of the given quadratic functions into form f(x)=a(x-h)^2+k and find out extreme point, x-intercepts, and sketch graph: a) f(x)= -x^2+10x-15 b) f(x)= 2x^2+2x+1.
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A person who weighs 605 N is riding on a 98-N mountain bike. Assume that the whole weight of the rider and bike is supported uniformly by the two tires. When the gauge pressure in each tire is 890000 Pa, Determine the area of contact between each
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