# Posts by iyra

Total # Posts: 11

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International Pictures is trying to decide how to distribute its new movie ‘Claws’. ‘Claws’ is the story of an animal husbandry experiment at the University of Southern Queensland that goes astray, with tragic results. An effort to breed meatier chickens ...

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An insurance company wishes to examine the relationship between income (in \$,000) and the amount of life insurance (in \$,000) held by families. The company drew a simple random sample of families and obtained the following results: Family(Income)(Amount of life insurance) A 50...

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The tourist industry is subject to enormous seasonal variation. A hotel in North Queensland has recorded its occupancy rate for each quarter during the past 5 years. These data are shown in the accompanying table. Table 1: Occupancy rate Year 2004 2005 2006 2007 2008 Quarter 1...

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Refer to the following table which contains the sales (in \$,000) for a department store for the first ten months of the year. Month Sales January 440 February 480 March 590 April 400 May 500 June 550 July 470 August 500 September 600 October 520 Using a three period moving ...

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The data below represents the amount of grams of carbohydrates in a sample serving of breakfast cereal. 10 18 24 30 19 22 24 20 18 25 20 22 19 The variance for this data would be __________ grams.

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The manager of a service station is in the process of analyzing the number of times car owners change the oil in their cars. She believes that the average motorist changes his or her car's oil less frequently than recommended by the owner's manual (two times per year...

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In a local cellular phone area, company A accounts for 70% of the cellular phone market, while company B accounts for the remaining 30% of the market. Of the cellular calls made with company A 2% of the calls will have some sort of interference, while 3% of the cellular calls ...

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In a local cellular phone area

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True or False: A zero population correlation coefficient between a pair of random variable means that there is no linear relationship between the random variable.

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Blossom's Flowers purchases roses for sale for Valentine's Day. The roses are purchased for \$10 a dozen and are sold for \$20 a dozen. Any roses not sold on Valentine's Day can be sold for \$5 per dozen. The owner will purchase 1 of 3 amounts of roses for Valentine&#...

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True or False; A good choice for the number of class groups to use in constructing frequency distribution is to have at least 5 but not more than 15 class groups.