Statistics and Probability
relative (percent) Increase. Absolute Increase: l:] Relative increase: [:] % z A store has clearance items that have been marked down by 35%. They are having a sale. 4 The population of a town Increased from 3450 In 2005 to 5500 In 2010. Find the absolute and advertising an additional 55% off ciearance Items. What percent of the original prlce do you end up paying? A friend has a 83% average before the llnal exam for a course. That score includes everything but the final, which counts for 25% of the course grade. What is the best course grade your friend can earn? D What Is the minimum score would your friend would need on the final to earn a 75% for the course? I:]% You want to put a 2 inch thick layer of topsoil for a new 26 ft by 16 ft garden. The dirt store sells by the cubic yards. How many cubic yards will you need to order? The store only sells in increments of 1M cubic yards. Out of 240 racers who started the marathon. 212 completed the race, 24 gave up, and 4 were disqualied. What percentage did not complete the marathon? A 6 inch personal pizza has 580 calories, with 240 of those from fat. A 14 inch pizza is cut into B slices. Estimate the number of calories In one slice of a 14 Inch pizza. The store Is selling lemons at $0.69 each. Each lemon yields about 2 tablespoons of juice. How much will it cost to buy enough lemons to make three Q-Inch lemon pies. each requiring half a cup of lemon juice? Sound travels about 750 miles per hour. If you stand in a canyon and sound a horn. you will hear an echo. Suppose it takes about 4 seconds to hear the echo. How far away Is the canyon wall, in feet? feet Now let's generalize that result. Suppose it takes in seconds to hear the echo. How far away is the canyon wall. in terms of n? Along year-end status report for work Is 87 pages long. You need to print 12 copies for a meeting next week. How much is the paper going to cost for those reports? Paper is sold in reams (500 pages) for $3.33 each