Uniform random variables over the interval
Let x, y, z be i.i.d. uniform random variables over the interval [0,20]. Let U=min(X,Y,Z) V=max(X,Y,Z). Find E(U), E(V), Var(U), Var(V), Cov(U,V) and correlation coefficient of U and V.
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Sylvia has the apple orchard. One season, her 100 trees yielded 140 apples per tree. She wishes to increase the production by adding more trees to orchard.
Determine the numbers of hydrogens does diazepam have? Diazepam, marketed as an ant anxiety medication under the name Valium, has three rings, eight double bonds, and the formulaC16H? ClN2O.
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The melting points of two alloys employed in formulating solder were investigated by melting 21 samples of each material. The sample mean and standard deviation for alloy 1 was X1= 420.48 and S1= 2.34. And for alloy 2 they were X2= 425 and S2=2.5
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