In your area, 34% of firms are owned by women. You call local firms at random in order to sell them accounting software. You phone local businesses at random. a) What is the probability that 2 of the 7 are owned by women? b) What is the probability that at least 2 of the 7 are owned by women? c) What is the mean and standard deviation of the number of businesses owned by women?

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: |x - 2| + 6 s 12

A: To show the solution on the number line

Q: tsmat

A: Topic : Laplace transform

Q: √√3 If sin(x + y) = -sinx + _cos x, what is the value of y? ainx ]

A: given  sin(x+y)=32sinx+12cosxwe know sin(x+y)=sinxcosy+cosxsiny

Q: b2 over b-a + a2 over a-b

A:

Q: Find det (A-¹) if det (A) = 02 1 2 0-2 1 NI 2

A:

Q: b. 3 4 9 1 6 7 6 8 6 6 4 2 7 3 4 4 1 5

A: this is matrix question  apply matrix subtraction operation, you get result

Q: (2 – Væ)dr

A:

Q: dy yo

A:

Q: B-A= (A U B)- A True o

A: There are multiple methods to prove or disprove the given statement B-A= (A U B)- A. But the easiest…

Q: .3 , Ry* In y dy

A:

Q: (d) 1 0, 元”V元”V元 4 an =

A:

Q: Parts a-f please!!

A: Note: Hey there! Thank you for the question. As you have posted multiple sub-parts, we have solved…

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: X-3 X+1 Rf Dfx

A:

Q: [0 0 -9 3 y

A: Given,           0-93 xyz

Q: 213 dx 4+x² ,2

A: We will use substitution to solve the integral

Q: A = 1 1 0 0 1 -1

A: Note the following fact :

Q: Prove that (A-1)-1 = A. %3|

A: Let A be inverse of matrix A. Then, by definition We know that

Q: 2х у 1 3 2

A: Given that: 2x3-y2=1

Q: -4 X+

A:

Q: Find the LU factorization of A = A = 1 1 -3 0 9 3 -17 5 2

A:

Q: 2. 2. 2. t.

A: Solution: The given equation is 2∂2u∂x2=∂2u∂t2+2x Rewrite it ∂2u∂t2-22∂2u∂x2=2x Conditions ux0,t=et…

Q: yA C F. Exs. 12, 13

A: Hello. Since your question has multiple parts, we will solve first question for you. If you want…

Q: Help!!

A:

Q: [-1 ] 5 8 1,

A:

Q: WXYZ is a parallelogram. If m2XYZ 68 and mZWXZ 71, find ZWZX.

A:

Q: e. Which

A: From given figure it is clear that

Q: buff'g'sinay olxly

A: To solve the following integral

Q: А - (BUC) %3

A:

Q: pxp XA

A: Explanation of the answer is as follows

Q: S. 1ぴ+6843)°

A:

Q: 3. |(10w vw) dw Your answer

A:

Q: Find the general Salation tor the

A:

Q: (vii) at least one of the car (viii) none of the car.

A:

Q: Find et, where A = 5 3 -3 -1

A: Given That : Matrix A=5-33-1. To Find : eAt