Question

1. 4, 8, 6, 4, 2, 4, 3, 4, 5, 5, 3, 8, 6, 4, 4. Thе tаllу mаrk for 4 in this data is ​

Answer 1

Step-by-step explanation:

U={1,2,3,4,5,6,7,8,9}

A={1,2,3,4}

B={2,4,6,8}

C={3,4,5,6}

(i) A

′

=U−A={5,6,7,8,9}

(ii) B

′

={1,3,5,7,9}

(iii) A∪C={1,2,3,4,5,6}

∴(A∪C)

′

={7,8,9}

(iv) A∪B={1,2,3,4,6,8}

(A∪B)

′

={5,7,9}

(v) We know (A

′

)

′

=A

⇒(A

′

)

′

={1,2,3,4}

(vi) B−C={2,8}

∴(B−C)

′

={1,3,4,5,6,7,9}

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