Maths Englich National curriculum Class XII > X.16 Distributions of sample means Learn with an example Samples are drawn from a population with mean 151 and standard deviation 46. Each sample has 19 randomly and independently chosen elements. Find the mean, ps, of the distribution of sample means. Submit

Q: 3x+2 2+9x+1 dx

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Q: ³ +5 dx r4 – x3 + x²

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Q: 8

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Q: x5 + 1 dx x4 + 2x3

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Q: 27t3- 1 dt

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Q: 2x3 dx 2x2-4x+3 3.

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Q: 2+1 dt

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Q: d2/dt2 (21t)

A: In general the second derivative is used to find the acceleration of an object . The second…

Q: 4x² + 5 -dx 3

A: Given, integral is

Q: 14-t2 dt

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Q: a₁ a₂ a3 az b₁ b₂ b3 = 5. C₁ C₂ C3

A: We have a1a2a3b1b2b3c1c2c3=5 Note- If any two rows are columns are same then its value is 0.

Q: 2x + 3 dx 4x2 – 4x + 5

A: The objective of the question is evaluate the indefinite integral.

Q: max-2x1-x²-x3 s.t 1 + 2x2 + x3 = 1 4x1+3x2+2x3 1, 2, 3 > 0 = 2

A: We have to find the maximum value of fx1, x2, x3=-2x12-x22-x32.Subject tox1+2x2+x3=14x1+4x2+2x3=2x1,…

Q: 지2 하 m/2 2 -3 -1 3 -2 /2 m/2 21 -2 ea

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Q: 4x + 1 - dx 4x2 + 2x + 3

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Q: 2t/t-2 = 4/t-2 +1

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Q: Why is s = 2y?

A: Points on the two sides of the parabola are of the form x, y and x, -y. The distance between them is…

Q: llustration 11.5. Find the standard deviation and coefficient of skewness for the following…

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Q: 5/4x + 3 = 1/4 + 1/4x

A: Given,  The equation is,               .

Q: 5/6+2/3x=3/4

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Q: Volul

A: Answer

Q: x4 + 12x² + 1 dx x5 + 20x³ + 5x

A: Integration is given,

Q: SX³V1+ 4x2 dx .3

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Q: 9=/7-4/+2= 6=/2-41+1= %3D

A: Applying absolute value we have

Q: Cose 2 03D and

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Q: f 4x² csch² x³ dx

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Q: x²2 -4 dr. r> 2

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Q: 4s+4 s2(s-2)

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Q: chain rule

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Q: b) L,(3x² – 2x + 1) dx

A: on solving this we get the value

Q: 2. DG = 3x - 3 2x +2, EF D. G.

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Q: y. -4

A: topic - indefinite integral

Q: Evaluate ³*-2 dx 3x-2 e³x-2 + C O (3x-2) e³x-2 +C Ⓒ (3x-2) Ce³x-2 3x-2 3 + C

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Q: x3 + 4x2 + 5x + 2 dx Evaluate x4 + x3 + x2

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