Do political science classes require less writing than history classes? The 47 randomly selected political science classes assigned an average of 19 pages of essay writing for the course. The standard deviation for these 47 classes was 5.6 pages. The 56 randomly selected history classes assigned an average of 21.9 pages of essay writing for the course. The standard deviation for these 56 classes was 4.1 pages. What can be concluded at the a = 0.10 level of significance?

Q: 4s +5 S -4

A:

Q: Prove that X Pn dx %3D

A: Recurrence relation.  Partial fraction.

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: 7/2 + 3 4/6

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: 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: -8 - 12

A: Given problem is

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: When two births are randomly selected, the sample space for genders is bb, bg, gb, and gg. Assume…

A: The sample space for genders is These four outcomes are equally likely.

Q: 5 L s² + 2s – 3

A: We know that, Laplace transform of 1/(s-1) = e^t

Q: 36-9z

A: Given that:36-9z

Q: 4. Fill in the following contingency table with the number of observations that fall into each com-…

A: x1 = number of colored oranges from Skittles brand = 77 x2 = number of colored oranges from M &…

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: 2+1+5+7

A: 2+1+5+7=3+5+7=15

Q: 3 -5 7 4 8 2 8 -3 -6 find P30, P60 and P95.

A:

Q: ← Let A = Find -4A -4A=0 77 -41

A:

Q: 1+4+6+8

A:

Q: find -1 2 5+1 s(5+1)²

A:

Q: –4(–6m – 7).

A:

Q: -2 -4 and D = 4 8

A:

Q: 2. (1 + 3/2x − 1)² = 3 + √3/2x − 1

A:

Q: -7 -5 Let A = Find -2A. 2] 1.

A: Given, A=-7-512

Q: -96 6 -7 A = -3 d 4A.

A:

Q: 7. (2x + y)³

A:

Q: Two and two

A: Given:   Two and two

Q: (s - 3)5

A:

Q: Expand 2(c+ 3).

A: Distributive property states that if x,y and z are three real numbers then x(y+z)=xy+xz.

Q: 2 Chapter 8 X 4 9

A:

Q: 5n2

A:

Q: W+7/8=6

A: The given equation is W +(7/8) = 6.

Q: 5+3.2n-6-4.8n

A: