Mathematics, 04.06.2020 15:57, joelpimentel
Four circles or diameter d cm are arranged in such a way that they touch each other (as shown below). A square is formed by joining the centres of the four circles.
What is the area of the shaded part?
A) d2(1-π)
B) d2(4-π)
C) d2/4-πd2/4
D) d2-πd2/4
Answers: 3
Mathematics, 21.06.2019 18:10, heavenwagner
which of the following sets of data would produce the largest value for an independent-measures t statistic? the two sample means are 10 and 20 with variances of 20 and 25 the two sample means are 10 and 20 with variances of 120 and 125 the two sample means are 10 and 12 with sample variances of 20 and 25 the two sample means are 10 and 12 with variances of 120 and 125
Answers: 2
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, 22.06.2019 05:30, jungcoochie101
Aset of 4 consecutive integers adds up to 354. what is the value of the least integer?
Answers: 1
Four circles or diameter d cm are arranged in such a way that they touch each other (as shown below)...
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