Which of the following is an example of an identity?
(1) x+8 = (x² + 4)(x+2)
(2) 2x+6 =...
Mathematics, 19.03.2020 03:05 colyernicholas44
Which of the following is an example of an identity?
(1) x+8 = (x² + 4)(x+2)
(2) 2x+6 = 2(x+6)
(3) x² +16=(x+4)(x+4)
(4) x² - 2x+5=(x-1) + 4
Answers: 1
Mathematics, 21.06.2019 22:30, kdtd3163
In a certain city, the hourly wage of workers on temporary employment contracts is normally distributed. the mean is $15 and the standard deviation is $3. what percentage of temporary workers earn less than $12 per hour? a. 6% b. 16% c. 26% d. 36%
Answers: 1
Mathematics, 22.06.2019 02:30, GreenHerbz206
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
Answers: 2
Mathematics, 13.04.2021 01:00
Mathematics, 13.04.2021 01:00
Mathematics, 13.04.2021 01:00
Mathematics, 13.04.2021 01:00
Mathematics, 13.04.2021 01:00