Population variances o and o, are known. Question: Two kinds of thread are being compared for strength. Fifty pieces of each type of thread are tested under similar conditions. Brand A has an average tensile strength of 78.3 kilograms with a standard deviation of 5.6 kilograms, while brand B has an average tensile strength of 87.2 kilograms with a standard deviation of 6.3 kilograms. Construct a 95% confidence interval for the difference of the population means. Edit View Insert Format Tools Table в I U 12pt v Paragraph v

Q: 24 30

A:

Q: Add. 4 5/8 + 4 4/7

A:

Q: 14. L1+ 2t- 3

A: Given The given expression is  Apply Laplace transform formula.

Q: b. 14C11

A: nCr=n!r!×(n−r)!r!=r(r-1)(r-2)×....×3×2×1

Q: 3. 42P 4-2p-1 =

A:

Q: Evaluate 2 . ( 3 - 5 ) + 8 . 2 - 1

A:

Q: d) +4 dx

A: The answer is

Q: Jace and Jace ran the numb combined then Beng

A: let Ben ran = x miles Therefore  Jace ran = 2x+34

Q: Max 3A + 2B IA+IB ≤ 10 3A +1B ≤ 24 1A + 2B ≤ 16 A, B 0

A:

Q: Simplify. 8(2x³y-3x)-x+5 O 16x³y - 24x O 16x³y - 4x + 5 10x5y - 32x + 40 16x³y - 25x + 5

A:

Q: 4 11  ✕  5 9

A: Consider the given expression as 411×59. 411×59=4×511×9=2099

Q: A. A, if A = 5 3 7 3 10/

A:

Q: 10 + 2/4 = O 20 O 5 O 10

A:

Q: 13 12 8- SOLVE FOR W.

A: Given data: The perpendicular is l=12. The hypotenuse is h=13.

Q: 1 Evaluate. 5P3 • 6C4 900 300 150

A: Use the formula and evaluate.

Q: 20 Evaluate 42 E (6m + 3) m=1

A:

Q: 62 28

A: A circle is given below as shown We have to find x°

Q: {A €R?x2 | tr(A) = 0} | tr(A) — 0}

A: Here we take a general matrix of the given set then find the basis.

Q: 2n aO 1p0 .b TT 2 IT.dO

A:

Q: 5 23 4 48 1 5 75

A: Given       5  2 3 − 4 4 8¯      1  5 7 5

Q: Identify the coordinates of the point in polar form based upon the given conditions. Use pi for T. r…

A: We will evaluate the required value.

Q: (LCM)of 5 and 2

A: Refer to the question we have to evaluate the LCM of 5 and 2,

Q: 7

A:

Q: 1.2x – 3.6 + .3x = 2.4

A:

Q: -5/8 + 1/10 + 3/4

A:

Q: 12 2х A = 2x

A: (6(a):- Given matrix Q is                              6(b) Singular Matrix:- A matrix is called…

Q: at East Zone University (EZU) there are 684 students taking College Algebra or Calculus. There are…

A: Topic:- algebra  ven diagram

Q: 4x 17) 413

A: Given :4x4y24y3

Q: 53. Faxt3

A: Given that, xa-1=ax+3 We need to solve it for x.