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According to an article in the Maclean's magazine, "Cable, satellite and wireless companies may be charging illegal late fees. Companies may calculate a compounded late-fee rate of two percent a month. However, because they charge even if a customer is late by one week, that can mean an effective annualized interest rate above the maximum allowed by the Criminal Code: 60 percent." (Maclean's November 28, 2005, p.16.)
1) Calculate the annualized interest rate these companies are charging if the penalty is two percent a month.
2) What if the penalty was two percent a week?
The diameters of Douglas firs grown at a Christmas Tree Farm are normally distributed with a mean of 4 inches and a standard deviation of 1.5 inches. What proportion of the trees are expected to have diameters greater than 5 inches?
Two pens and a pencil have a total length of 49 cm. Four pens and a pencil have a total length of 77cm. What is the total length of seven pens and a pencil?
Find the test statistic and do the two-sample test for equality of proportions. Is the decision close?
An apple orchard has an average yield of 32 bushels of apples/tree if tree density is 24 trees/acre. For each unit increase in tree density, the yield decreases by 4 bushels/tree. How many trees should be planted in order to maximize the yield?
The velocity graph of a car accelerating from rest to a speed of 105 km/h over a period of 30 seconds is shown. Estimate the distance, d traveled during this period. (Use M6 to get the most precise estimate. Round the answer to two decimal places...
A small business has an average income of $3,000.00 per month with a standard deviation of $250.00. If the income in a given month is $3,300.00, what z-score corresponds to this value?
she suggests building fences described by y=4x2 and y=x2+5. Farmer Jones thinks this would be much harder than just building an enclosure with straight sides, but he wants to please his wife. What is the area of the enclosed region?
question the ratio of the complements of two angles is 32 and the ration of their supplements is 98. find the two
according to a survey in a country 38 of adults do not have any credit cards. suppose a simple random sample of 900
Determine the most profitable mixture of groups she should contact and the most money she can raise in a month.
The surface area of the right squre pyramid is given by S=b square rt. b^2 + 4h^2. If the pyramid has height of 10 feet and surface area of 100 square feet, what is the length of a side b of its base?
A rectangular swimming pool 60 ft long, 10 ft wide, and 12 ft deep is filled with water to a depth of 11 ft. Use an integral to find the work required to pump all the water out over the top. (Take as the density of water delta = 62.4 hbox{lb/ft}^3..
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