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Q: Text the hypothesis that o 8 given that s = 10 for a random sample of size 51.
A: n=51, s=10, σ=8
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A: Note: Hey, since there are multiple subparts posted, as per guidelines we will answer first three su...
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A: Given E(X)=-8, E(Y)=9, E(Z)=2, V(X)=24,V(Y)=19, V(Z)=45
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