Mathematics, 23.07.2021 07:40 amandathompson1
RUN FIVE STEPS - A consumer product magazine recently ran a story concerning the increasing prices of digital cameras. The story stated that digital camera prices dipped a couple of years ago, but now are beginning to increase in price because of added features. According to the story, the average price of all digital cameras a couple of years ago was $215.00. A random sample of n = 200 cameras was recently taken and entered into a spreadsheet, the average was 290 with standard deviation 30. It was desired to test to determine if that average price of all digital cameras is now more than $215.00. ( p value method)
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Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.
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Mathematics, 21.06.2019 21:10
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RUN FIVE STEPS - A consumer product magazine recently ran a story concerning the increasing prices o...
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