Suppose that you add 3 to all observations in a sample. How does this change the sample mean? How does it change the sample standard deviation? A The mean is increased by 3. The standard deviation isn't changed. The mean is increased by 3. The standard deviation is increased by 2. The mean is increased by 1.5. The standard deviation isn't changed. D This mean is increased by 2. The standard deviation is decreased by 3. The mean is increased by 3 The standard deviation isn't changed. The mean is increased by 3. The standard deviation is decreased by 3.

Q: Let A = {1,{2,3}}. Find P(A), n(A) and n (P(A)).

A: The power set of a set is the set of its subsets. The expression nA represents the number of…

Q: 30 Evaluate (1 + i)

A:

Q: Find L{1}ℒ{1}.

A:

Q: Consider the linear system X'= AX, where X= and A is a 2 x 2 matrix. Which of the following…

A: If X'=AX is a system of differential equations where A is a 2x2 matrix.And X=xy then general…

Q: 2 – L{5 + vZt }

A:

Q: -8 -9 4 -2 -6 5 -7 0 2 4 -5 -9 -10 -1 8 -3 6 -4 Add Work

A: You can only multiply matrices if the number of columns of the first matrix is the same as the…

Q: 100 Find the coefficient of x10 in the expansion of (2x +;

A: To find the coefficient of x10 in the expansion of 2x+1x100 we will use(r+1)th term in the expansion…

Q: 31/2 / 1/2

A:

Q: 4 3 Find A given that (21) = 2 1

A:

Q: Gventhe graphety=j(z)sekow.trd the waue /-4).

A: The given diagram is

Q: Find the coefficient of x5in the expansion of (1 – 2x + 3x2)5

A: I have solved Algebraically

Q: 3-11

A: Topic- basic maths

Q: Consider the real inner product space P[0, 1] of all polynomials with the inner product, (f,g) =…

A: This question related to orthogonal projection from linear algebra.

Q: Write the binomial expansion for (x + 2)°. (x+ 2)° =D

A:

Q: Find the term indicated in the expansion (x + 2y)6; third term.

A: Find the term indicated in the expansion (x + 2y)6; third term.

Q: For every football game there is a team that is expected to win by a certain number of points. In…

A: Given data n = 45 Here 1 = favoured team beat the spread = 18 0 = favoured team did not beat the…

Q: puls

A: 10+10 is 20

Q: Determine the vector field of F. F(x, y) %3D 6і — 3j

A: Solution :-

Q: How many terms are there in the expansion of (4.x + 7y)0.+ (4x- 7y)10 ?

A:

Q: 2šr+e* dr

A:

Q: 198-33

A: Given: 198-33

Q: 1/4 +5/4

A: Solution: The objective is to find the value of the given expression

Q: Find a if the 17th and 18th terms of the expansion (2 + a)5⁰ are equal.

A:

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: Expand the expression for Mr Taylor.

A: The previous solution is incorrect. Please follow this one.

Q: 1 1 2 5 -5 1 -2 2 -3 5 -1 -1 2

A:

Q: 0218 X 17 (2) 600 x 38 131 784 X 44 (47664 X 18 157146X1

A: We need to perfrom multiplication.

Q: 3. - 1

A:

Q: Write the first, third and fifth terms of the expansion of (3x – 5y)5.

A: Write the first ,third and fifth term of the expansion of (3x-5y)5.

Q: 22. Mary and four friends are planning a party. Mary is bringing apple slices. Each person will get…

A: “Since you have posted multiple questions, we will solve first question for you. To get remaining…

Q: X ~ N(1, 2)

A: We have find givan normal distribution...

Q: Find L-1 [.

A:

Q: 2 10 8 1 0 07 -9 -8 - 5 0 1 0 4 9 0 1

A:

Q: In the expansion of (x + 4/x)12, find the term without x. a. 63 360 C. 506 880 b. 126 720 d. 3 784…

A:

Q: In the following diagram below, what is the slope of line AB? 3.

A: Ans:   1) From the graph given we can see the values of A= x1,y1= 3,4 B=x2,y2= 0,0