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: 2 and B= 1 0. then Show that if A = 6. -1 2 (A + B)(A + B) # A² + 2AB + B?

A: Given that A=-1201 and B=10-12 We have to show that A+BA+B≠A2+2AB+B2

Q: Show that if A × B = B × A then A = B

A:

Q: Let a = 6 and b = 6 What is the coefficient of x6y6 in (x + y)a+b?

A: This is a question of counting. One needs to find the coefficient in this fi ite expansion.

Q: The distribution of passenger vehicle speeds traveling on a certain freeway in California is nearly…

A: given data normal distributionμ = 73.7 miles/hourσ = 4.75 miles/hour

Q: s+1 s² + 4s + 13, (t).

A: Inverse Laplace transform

Q: (b) (-1)" (b)(-1)*+-

A:

Q: Non- Hispanic Non- Hispanic White (W) Black (B) Non- Hispanic American Indian (I) Non- Hispanic…

A: Given table:b) B∩FIts the intersection of set B and F.From the table we have: B∩F=158 thousand…

Q: (7)(-8)_____-14

A: Consider the given rational expression:Factorizing the numerator and denominator and then cancelling…

Q: Show that (A¹)¹ = A for: A 4 3 3 2

A:

Q: Pind D owain and The range 2. 2メ - Sec 4.

A: I have solved using the range of cosinex

Q: 1 x(4 + х)3dх 24

A: To evaluate the integral: ∫2426x4+x13dx Solution: Here lower limit of integral is 24. Upper limit is…

Q: mple. Compute AB and BA where 1 -1 A = %3D B = -2 2 3 4

A:

Q: If B = 101 -1 1 2 -1 2 1 then det (B5) =

A:

Q: P show that (α) |=1 = 12/

A: A detailed solution is given below.

Q: /3 n" +n + 10 8WE

A:

Q: Find VW 2x - 7 2x - 14 | U • V. 15

A:

Q: Let floo) = 0e 5 and gloo) = 2a19 Detemine Cgof) (x) 2079. %3D %3D

A: Topic:- function

Q: If A = 0 . 0 -3 -1 -9] -6 3 4 ܘ ܒ ܘ ܗ then det (A) = ܗ ܐ ܘ

A: Given Matrix

Q: b) Evaluate ſ, S s,(x² + y² + z²)dxdydz.

A: Integrate with respect to x and plug the limits.

Q: Let a = (2, 4, 6) and b = (4, 2, 4). - (å – 6) × (å + 6)

A: Given: a→=2i^+4j^-6k^ b→=4i^+2j^+4k^ a→-b→=2i^+4j^-6k^-4i^+2j^+4k^          =-2i^+2j^-10k^…

Q: 1 -1 A = -1 2 -1 0 -1 1

A: Answer is in next step

Q: 45 73 73 17 13 43 )0 (B) 2 (C) 7. (D) 8 (E) 9

A: We can observe that in left box there is 5 which is 4+1 of the right box. Hence similarly, X should…

Q: 2) Expand the following a) Csa2-2b)

A: I have to exapand (5a^2-2b)

Q: If B = 1 1 01 2 2 -1 1 1 then det (B5) =

A:

Q: Evaluate [fxcos (y)d4 , R=[-2,3]×| 0,- 2 R

A: Introduction: When the integrand the a function of two variables, we follow the double integral.…

Q: dt 2 +1)

A: As per our guidelines we are suppose to solve only first question. Kindly repost the other question…

Q: (b) 6 + 7 + 8 + 9 + ... + k

A: (b) Given that 6+7+8+9+...+k The objective is to find the sum. The formula for sum of numbers are,…

Q: Find 00 x² (x²+4) (x²+2x+2) dx

A:

Q: Engineer Teacher policeman Bushessman Male 19 12 32 18 Female 27 30 2 16 i. Female and engineer i.…

A:

Q: 3x 4x 1.

A: We have to find the value of x

Q: (9) [xV1-2х dx

A:

Q: Evaluate L{- (s2+ 64) (s – 6) |

A:

Q: Find 1 0 0 1 (3x+2y) dady

A: Step 1: Given, ∫01​∫01​(3x+2y)3dxdyLet's expand the integrand, (3x+2y)3=27x3+8y3+54x2y+36xy2…

Q: Salling elution uSin) matrice f. 22 I1-1o Ta-12 Ia =24 -1oI+38I2-413 -12I 4 I 2 1673=-6 t

A:

Q: Is det(AB) = det(B A)? Justify your answer.

A: Given- detAB=detBA To justify- The above expression.