Theorem:- af, X2, 13, Xy , Ng be The Yandom sample of size 5 from normal papulation. t, to = 2 t3 = ax, + X2+aX3 3 Ús at t3 is an unbalsed estimater of M Then find n. ii) show That ti,ta is unbaised estimater of population mean M.

Q: (4) Use standard multiplication to multiply the two sexigesimal numbers 11, 4; 17, 9 and 50, 50: 43,…

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Q: (4) Prove in two different ways that if a is a positive r number, then (a + 1)" > a" + na"-1:

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Q: express on J5 by Jo & J1

A: This problem is solved by the concept of recurrence relation

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Q: (f) 1 x + iy + 1 I-iy

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Q: (2) Find all the numbers z such that elz = 10i.

A: Consider the given. eiz=10i

Q: re 1 da Ji rVI- (In x)²

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Q: |z+2i|=|z+1- 3i|

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Q: 2. (– 13 + 3i)31

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A: Given: ⊢A→B→A

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Q: beta

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Q: (x+1)(x-2)². On what interval (2) (x - 5) let g"(x) = is g Concave up? (Note: you are given g" but…

A: g''x=x+1x-22x-5

Q: |u|> c is true for all real numbers if c _ 0.

A: |u|&gt;c is true for all real numbers if c ____ 0.

Q: nd y axsis labelled ?

A: Morphospecies on A Morphospecies on B Morphospecies on C 7 13 3 7 9 4 2 4 4 4 4 2 11 14 10…

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Q: If z = 1 - 2j and w= 2 - 3j, express 2. w in the form a + bj where a and b are real.

A: Given  z=1−2jw=2−3j

Q: Let x, y, and z be real numbers. Prove the following a. -(-x) = x b. (-x) * (y) = -(xy) and (-x) *…

A: I have provided detailed proof for each question in the Explanation section.Explanation:Let's go…

Q: Prove that (1+i)" + 1(1- i)" = 2m/2*1 nt cos 4

A: