The proportions of blood phenotypes in the U.S. populationare as follows:A B AB O.40 .11 .04 .45Assuming that the phenotypes of two randomly selectedindividuals are independent of one another, what is theprobability that both phenotypes are O? What is theprobability that the phenotypes of two randomly selectedindividuals match?

The proportions of blood phenotypes in the U.S. populationare as follows:A B AB O.40 .11 .04 .45Assuming that the phenotypes of two randomly selectedindividuals are independent of one another, what is theprobability that both phenotypes are O? What is theprobability that the phenotypes of two randomly selectedindividuals match?

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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The results of a mathematics exam at JUST university for two classes are as follows: Class 1: (n=32, mean=15.4, SD=8) and Class 2: (n=36, mean=9.6, SD=12).we are testing if the means are different What is the z statistic (a=0.05): O a. 1.9596 O b. 2.3678 O c. 0.9667 O d. 10.2062
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In the research design for a (an) _____, each participant experiences all experimental conditions so as to compare differences across conditions a. one-sample t test b. dependent-samples t test c. independent-samples t test d. z test
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Suppose we have a case-control study that completes and yields a study OR = 4.5. If we were told the true OR in the population was actually 2.25 (we normally wouldn’t know this, but suppose hypothetically someone was able to know this and told us), this again means our study OR is biased. Is our study OR biased towards or away from the null? A)Away from the null. B)Towards the null.
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In an experiment with t = 4 population means and sample sizes of n1 = 5, n2 = 6, n3 = 4, and n4= 8, consider the four linear combinations of the sample means: ?̂1 = ?̅1 + 3?̅2 + ?̅3 + ?̅4?̂2 = ?̅1 + ?̅2 − 2?̅4?̂3 = ?̅1 + ?̅2 + ?̅3 + ?̅4?̂4 = ?̅1 + ?̅2 − 3?̅3 + ?̅4 a. Which of the four linear combinations are contrastsb. Which pairs of contrasts are orthogonal
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