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CatCo has a new line of kitten starter kits. The basic kit features a sandbox, sand, scooper, three cans of kitten food, and catnip. The exotic kit features the premium self-cleaning sandbox with all natural sand, 6 cases of kitten food, a living catnip plant, and a scratching post tower. The basic kit costs $10 and the exotic kit costs $50. Kitten lovers bought 12 times as many basic kits than exotic kits last month. Last month, both types of starter kit had total sales of $5,440 (this is the total for both items). How many basic kits did CatCo sell? How many exotic kits did CatCo Sell?
Fast Service Truck Lines uses the Ford Super Duty F-750 exclusively. Management made a study of the maintenance costs and determined the number of miles traveled during the year followed the normal distribution.
a meteorologist who sampled 13 thunderstorms found that the average speed at which they traveled across a certain state
Find the value of the standard of the error of the mean in each of the following cases (use the finite population correction factor if appropriate.
In Meijer supermarket, the customer's waiting time to check out is approximately normally distributed with a standard deviation of 2.5 minutes.
At a certain university, the average cost of books per student was $330 per student last semsester. In a sample of 50 students this semester, their average cost was $355 with a standard deviation of $85.
Two marbles are selected, one at a time from a jar of marbles containing 10 black, 10 brown, 10 white and 10 green marbles. Let x represent the number of white marbles selected in 2 separate selections from the jar.
a random sample of 12 men and 12 women were asked to report the number of hours they watched television on a wednesday
a machine fills cans of soda which are labeled 12 ounces according to a normal distribution with mean 12.1 ounces and
according to u.s. news amp world report data in 1995 tuition costs at indiana university a public university were 2984
Draw frequency polygons for each of the four distributions (assume they are normal) with the raw scores indicated for all six of the standard deviation units. a) Mean= 15 SD= 3
the researchers found a significant difference between the two groups control and treatment for change in mobility of
a sample of 210 bell computers has 56 defectives. theory suggests that a third of all bell computers should be
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