(a) If X takes on the values 0, 1, 2, and 3 with probabil-ities 1 125 , 12125 , 48125 , and 64125 , find E(X) and E(X2).(b) Use the results of part (a) to determine the value ofE[(3X + 2)2].

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A:

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A: See the detailed solution below.

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A: Answer:-  Option D is the correct answer.

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A: To find the number of elements in the set of integers modulo 186, which have multiplicative inverse.

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A: Here concept of field is used.

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A:

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A: Solution:

Magnitude

A vector is an element with both direction and magnitude. A vector is represented using an arrow, where the arrow represents the direction of the vector and its length is represented using the magnitude. The set of vectors in space is known as vector space. The vectors can be added, subtracted, multiplied, and divided in a vector space. The image below shows a vector AB.