For the given n, a, show n|a by finding an m with a=nm. (a) 4|20, (b) 5|−25, (c) −3|9, (d) −9|−27, (e) 1|23

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A: We can find the value of x as below.

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A: Given,P(A)=0.40P(B)=0.30P(A∩B)=0.10

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Q: If n(A) = 42, n(B) = 15, and n(AN B) = 1, find n(A U B).

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A: Sets Question

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A: Please refer the attached image for complete solution.

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Q: Suppose P(A)>0.8 and P(B)>0.5. Show that P(AB)>0.3.

A: Given P(A)>0.8P(B)>0.5 We want to show that P(A∩B)>0.3

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A: Topic!  Permutations of Group.

Q: If n(A) = 41, n(B) = 21, and n(A n B) = 9, find n(A U B).

A: Given n(A) = 41 n(B) = 21 n(A n B) = 9

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Q: 8. The value (2.53)³+(2.47)³ 25.3x25.3-624.91+24.7x24.7 (b)-1 (d) 2 of where the value of k is: •…

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