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)
Answers: 1
Mathematics, 21.06.2019 18:00
The ratio of wooden bats to metal bats in the baseball coachβs bag is 2 to 1. if there are 20 wooden bats, how many metal bats are in the bag?
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Mathematics, 21.06.2019 22:40
Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.
Answers: 3
Mathematics, 22.06.2019 02:00
Reading tests are compared for two students. sara got 98, 100, 65, 78, 98, 46, 100, 100, 45, and 50 on her reading test. lee got 97, 67, 89, 99, 100, 45, 79, 89, 58, and 67 on his reading test.
Answers: 1
Mathematics, 22.06.2019 02:00
Multiply sixth of sixty six by a half of ten show step by step method
Answers: 1
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