Given that X is a random variable with E(X²) = 16 and Var(X)= 7; find E(X). (A) 9 (B) V3 (C) 3 (D) /23 (E) 23 Select one: O A.. О В.. С.. O D.. O E..

Q: 11) 60

A: Here I am attaching image so that you understand each and every step.

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A: Solve the given

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A:

Q: 10) 21 68

A: We know that tan θ=Opposite sideAdjacent sidetan(68)=x21

Q: 1. 2. 3.

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Q: 18 and 19

A: Question 18 : Consider the statement "If A∪C ⊂ B∪C, then  A ⊂ B " which of the following is a…

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A: Given: we agr given a right triangle as shown in figure  To find out: As in labled diagram measure…

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A:

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A: we need to find the distance travelled

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A:

Q: 12 16

A: We know that If a perpendicular is drawn from the vertex of right angle triangle of a right triangle…

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A:

Q: 4.122

A: Given Information: a) Suppose each lot contains 10 items, you decide to sample 4 items per lot and…

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Q: 11 11 4. 64

A: Given: simplify the expression

Q: Identify the postulate for each drawing

A: Identify the postulates for each drawing

Q: 6. 3 (2s+5)³

A:

Q: 2. 27

A:

Q: 6. 8.

A: Pythagorean Theorem:                  Pythagoras theorem states that  "In right angled triangle ,…

Q: 1. 12

A: We can use the concept of Pythagoras theorem to solve the given problem.

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A:

Q: Let A(x) represent the area bounded by the graph, the horizontal axis, and the vertical lines at t =…

A:

Q: 7) 16 63

A: