A triangle has vertices (1, 6), (3, 0) and (-3, -7). Its area in square units is? 1. 10 2. 25 3. 30 4. 40

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A: Given , 49.545.54n = 305

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A: E(X−a)2=E(X−μ+μ−a)2=E((X−μ)+(μ−a))2=E((X−μ)2+2(X−μ)(μ−a)+(μ−a)2)=E(X−μ)2+E(2(X−μ)(μ−a))+E(μ−a)2=E(X−…

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A:

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A: (a): n​(θ2Xˉ​−1)→dN(0,31​) (b): (2Xˉ−zα/2​n​θ​,2Xˉ+zα/2​n​θ​)This interval will asymptotically have…

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Q: Suppose that you are interested in the earnings of GE employees. You have randomly sampled 225…

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Q: Find the probability of success P for a binomial distribution, if n = 6 and 4 P(x-4)= P(x=2)

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A: answer is provided in detail in explanation section  Explanation:

Q: Compute the following probabilities 1) P(Z<0.887) 2)P(Z<0.121) (Round to 4 decimal places)

A:

Q: It is known that, nationally, doctors working for health maintenance organizations (HMOs) average…

A: μ=13.5,σ=7.6,n=150, X¯=10.9, α=0.01

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A: μ=2.59,s=0.34,x¯=2.47,n=123Decision rule: When p value&lt; level of signicance,then reject the null…

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Q: researcher hypothesizes that those with a graduate degree work less than those with a bachelor…

A: n1=526,n2=292,x1¯=43.49,x2¯=44.49,s1=13.5,s2=15.77,α=0.05se(x1¯−x2¯)=1.1Decision rule: When p…