Answers: 1
Mathematics, 22.06.2019 02:00
The deepest part of the swimming pool is 12 feet deep.the shallowest part of the pool is 3 feet deep.what is the ratio of the deeply of the deepest part of the pool to depth of the shallowest part of a pool?
Answers: 1
Mathematics, 22.06.2019 02:30
Researchers are conducting experiments to determine the role of alcohol in the development of depression. after the study is complete, they determine that the relative risk of developing depression is 1.55 with a 95 % ci of 1.2 -1.9. each group is then divided into nonsmokers and smokers. the relative risk for the nonsmokers is 1.12 with a 95% ci of 0.87-1.37. the relative risk for the smokers is 1.7 with a 95 % cl of 1.5-1.9. what type of bias may affect this study? a. procedure bias b. recall bias c. selection bias d. confounding e. lead-time bias
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Mathematics, 22.06.2019 06:30
Afire department spend $900 to purchase a new helmets and gloves the amount included a 6% sales tax what was the price of the equipment to the nearest dollar before tax?
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Mathematics, 22.06.2019 06:30
Kari plans to sample 20 people of a population that contains 100 students. she wants to determine how many people wake up before 6 a.m. which sample is the most random?
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Please help me solve #9, and please 10
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