You measure 43 randomly selected textbooks' weights, and find they have a mean weight of 61 ounces. Assume the population standard deviation is 5.2 ounces. Based on this, construct a 99% confidence interval for the true population mean textbook weight. Give your answers as decimals, to two places

Q: 3/20 + 13/15 combine.

A:

Q: 1. Find L-¹{e-³s} 5}

A: We have to apply the inverse Laplace transform of the second shifting theorem to find the solution…

Q: 4s +5 S -4

A:

Q: 3

A:

Q: (4) y=x +4 -5 -4 -3 6.

A: The given equation is: y=x+4

Q: (1-2=) dr

A:

Q: a3-16a

A: a³−16a ⇒a(a²−16) ⇒a(a² −4²) ⇒a(a+4)(a−4)

Q: 3s – 7 s- 2s + 3

A:

Q: %3D n+1 3 -2 -3

A:

Q: Find the rank of A = ( 1   -1   2   3)                                       2  6  -8   1…

A: Rank of Matrix : It is the Number of Non Zero rows in reduced row echelon form.

Q: こ (0) of

A:

Q: 9 – 4x > –3

A: The given inequality is 9-4x>-3

Q: 2 3 B={ A= 3 Find: A+B .B+A .A-

A:

Q: 3.9b + a3 + 27 - 3a2 + 5a3 - 2a2 + 2.1b + 7

A:

Q: y X (9, –3)

A:

Q: 1b+1b

A: Applying  addition operation since terms with same variable  binomial addition

Q: 5 3 + s2-8 s2+ 3.

A:

Q: 目 +8 LI +T 现 +04 +C4 |F|E|F|| ||||4 4 4 2 2

A:

Q: (4 – a2)

A: To integrate.

Q: 2(3+d-1)

A: Solve the given expression  given expression is 2(3+d-1)

Q: Evaluate 5 (²) 4. dy -2

A: ∫-2-1 (y-2)dy/y ∫-2-1 (y - 2/y)dy [ 2y3/2/3 - 4y]-2-1 -2i/3 - 4i +42i +42i -14i/3 +82i

Q: S-4 a(5-35 +16

A:

Q: Which of the following graphs represents the function g(x) = x²(x + 1)(x − 2)? 2 4 2 * 0 4 0 O 4 2 P…

A:

Q: 2x° 28 4y 28

A:

Q: 36-9z

A: Given that:36-9z

Q: (カナ) 2.

A:

Q: w + (-7), when w = - 1

A: The expression is given by w+(-7) To evaluate: The value of the expression when w=-1.

Q: Find the Partial derivative of f with respect to y for * 2. y² f (x, y) = x + y

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Q: 1 + 2n < n° for all integers n² 2

A:

Q: 4 1 x-1 4 | 45. +3 x-1

A:

Q: 1+4+6+8

A:

Q: 1) 6dx 3/3

A: ∫33361+x2dx=6∫33311+x2dx=6tan-1x333=6tan-13-tan-133=6tan-13-tan-113=6π3-π6=2π-π=π

Q: w+5 -dw w - 6w+10

A: A detailed solution is given below

Q: find -1 2 5+1 s(5+1)²

A:

Q: Evalvate S (4sin co) -8cos co) )do

A: Given that: ∫0π(4sinθ-8cosθ)dθ

Q: –4(–6m – 7).

A:

Q: 6. 3 3 Let A= -4 1 and C= -5 0 3 -2 -1 Find A+ C.

A:

Q: -8 6 4 -2 2. 4 6 8 x -2+

A: By the coordinates of graph shown, it is clear that at x=1 ; f(x)=-2 And the line shown also…

Q: -4 -2- 4 8

A: We are asked to find the horizontal asymptote and vertical asymptote. Horizontal asymptote (HA) - It…

Q: Z4×Z6 has an element of order 24. true or false ?

A:

Q: 9. x+8

A: For two intersecting chords , the  multiples of the lengths of the line segments on each chord are…

Q: 2. (1 + 3/2x − 1)² = 3 + √3/2x − 1

A: