Consider a company that selects employees for random drug tests. The company uses a computer to randomly select
employee numbers that range from 1 to . Find the probability of selecting a number divisible by 1000. Find the
probability of selecting a number that is not divisible by 1000.

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The probability of selecting a number divisible by 1000 is .
(Round to six decimal places as needed.)
The probability of selecting a number that is not divisible by 1000 is .
(Round to three decimal places as needed.)

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?

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

Solve the equation for x. 50(4x + 12) = 200