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Question: Suppose that you wish to estimate the mean sales amount per retail outlet for a particularconsumer product during the past year. The number of retail outlets is large. the number of retail outlets is large and sales amounts are assumed to be normally distributed. for a random sample n =25, the sample mean = $1000 and sample standard deviation s= $200 construct a 95% confidence interval for estimating population mean.
Wire is strung between a building and the ground, making a 30-60-90 triangle as shown. The wire is attached to the ground 14 feet from the building. a) How long must the wire be? b) How far up the side of the building is the wire attached?
The amount of contamination remaining in two different wells t days after a chemical spill, in parts per billion (ppb), is given by r(t)=350(0.94)t and s(t)=550(0.91)t. Solve the equation so that they are set equal to eachother
Write a minimum of 10 pages, paper on a company's e-commerce practices. You may select a company you currently work for, have worked for in the past or one you research on the internet. You should also research and discuss if you agree or disagree..
Angie is making wreaths to sell at a craft show. She has 6.5 yards of ribbon. Each wreath has a bow made from 1 1/3 yards of ribbon. How many bows can she make
Determine the consumers' surplus if the wholesale market price is set at $12/unit. (Round your answer to two decimal places.)
What percentage of children have their birthdays in December? In February? What percentage have their birthdays in the same month as another child at the party?
Compare in terms of delay ( > ,
Investments. William opened two investment accounts for his grandson's college fund. The first year, these investments, which totaled $18,000, yielded $831 in simple interest. Part of the money was invested at 5.5% and the rest at 4%. How much was..
Determine the steady-state probabilities for this transition matrix algebraically and explain what they mean.
Let this be a three-dimensional scalar field - f(x, y, z) = (1)/(x2 + y2 + z2) - z, Determine the gradient grad f and the value of |grad f| in spherical coordinates
Its true course, however, is at 98 degrees from due north. If the wind currents area constant 55 miles per hour, what are the possibilities for the ground speed of the plane?
a ship travels due south for 3km then on a true bearing of 130 degrees for 5km find how far east the ship is from its
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