Women in the Military This table lists the numbers of officers and enlisted personnel for women in the military. At a=0.10, is there sufficient evidence to conclude that a relationship exists between rank and branch of the Armed Forces? Officers Enlisted 10,682 7942 Army 62,600 42,624 9555 Navy Marine Corps Air Force 902 11,832 54,331

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A: Given: n1 = 31 n2 = 33 X1 = 76.53 X2 = 84.45 S1 = 11.96 S2 = 19.23 Significance level α = 0.01…

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A: Medicine A treats Symptom Y. 900 subjects with Symptom Y volunteered to take Medicine A and 140…

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A: For Z test the value of the test statistic formula can be written as: Here, x̄ is the sample mean,…

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A: The mean is  and the standard deviation is .

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A: Given, X P(x) 0 0.001 1 0.015 2 0.043 3 0.116 4 0.197 5 0.235 6 0.199 7 0.114 8…

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A: Given Significance level =0.05

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Q: find the critical value compute the test value Make a decision summarize the results 

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A: descriptive statistics is abridged and  organized characteristics of data set.

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A: Solution-: Let,  and  be proportion of female and male respectively. Given: We find test statistic

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A: Given data is32,26,32,31,32,41,23,22,27,31,29,35,36,30,27,30,28,26

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A: Given  Level of significance ɑ=0.10, standard deviations σ=23, margin of error=e=2

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Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.