Homework Q2: Find the Pearson correlation coefficient Person Age (x) Income (y) (xy) (x²) (y²) 1 20 1500 30000 400 2250000 2 30 3000 90000 900 9000000 3 40 5000 200000 1600 25000000 4 50 7500 375000 2500 56250000 Total 140 17000 695000 5400 92500000 23

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A: x-4-3-2-101234p(x)0.010.070.110.150.300.170.110.060.02

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Q: solve fast

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A: Nowgiven thatP(A)=0.5P(B)=0.3P(A or B)=0.8We know thatP(A or B)=P(A)+P(B)-P(A and B)0.8=0.5+0.3-P(A…

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