4) The Denver Post reported that a recent audit of Los Angeles 911 calls showed that 85% were not emergencies. Suppose the 911 operators in Los Angeles have just received four calls. a) What is the probability that all four calls are, in fact, emergencies? So there were 0 non- emergencies. Thail Niw todosent aul sogn b) What is the probability that three or more of calls are NOT emergencies? C

Q: (o42)2) O 3te-24 O 3e 4 (1 + 2r) 3e-21 O 3e-24 (1 – 21) O 3e4 (1 + 2t)

A:

Q: a (1, 0, 1), b = (2, 1, −1) and c = (1, -1, 4). Calculate |ax (b+c)].

A:

Q: Factor 5 + V3 in Q(/3).

A:

Q: 4. 5. 6. 7. 8x - 3y (-)-4x + 8y 6rs-7bc (-) 9rs-7bc 5xy - 9cs (-)-3xy + cs x² - 6x + 5 (-) 3x²-2x-2

A: Given :4. 8x-3y--4x+8y5.6rs-7bc-9rs-7bc6.5xy-9cs--3xy+cs7. x2-6x+5-3x2-2x-2

Q: Evaluate J S S dydx. r4x Jx2

A: To solve this question first integrating with respect to y and plug in the limit then integrate with…

Q: 2 1 A= 4 3 56 2 1 B= 0 1 47

A: Answer is mentioned below   Yes, it's possible.

Q: 8. (S.15). Write P20 r2+2r-1 as a linear combination of the polynomials P21 r-r- 2, P22 2r2-r+3, P23…

A:

Q: Hiw- prove that %3D

A:

Q: Find A x Bx C where A = {4,6},B={14,18} , C = {0}. O (4,14,0), (4, 18,0), (6, 14, 0), (6, 18, 0) O…

A: given A={4,6}B={14,18}C={0}

Q: show that (to) arg = = argz

A: We have to show that  arg z¯ = -arg z.        ...A     Let us first see what is z¯, z¯ is conjugate…

Q: tain iestions 1-6. 1. Find P( X $46000). 3. A professor's salary(X) was selected from this college.…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: ii) (х — 5)2 — 24-1

A:

Q: In (Z24, €) find the orders of the elements 3, 4, 6, 7, and 18.

A: Hey, since there are multiple questions posted, we will answer the first question. If you want any…

Q: D(-4, 3), E(-2, 3), F(-1, 1), G(-4, 1) 11) and L(1, –1), M(3, –1), N(6, –3), P(1,–3)

A:

Q: Find x and y such that,  77815x - 8216y=(77815 , 8216

A:

Q: 3xy If z determine 2x - 3y

A:

Q: Expand (x + y) 8.

A: Given: The expression x+y8.

Q: 5V2 + 6/64

A: We need to find the solution of 525+6645

Q: Use the substitution method to evaluate V1-22dx

A:

Q: (0,0) (2,4)

A: In the given graph we have two points on line. which are (-4,2) ,(0,4)

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

A:

Q: Is (2,1)=(1,2)?

A: The objective is to determine whether 2,1=1,2.

Q: Compute C4,4.

A:

Q: 9. If 4x(y+2) ソー3 O J6 4x(y+2) – 2x, y # 3 or -2, and x #0,2= ソ-3 y+2 A) B) C) 2 1/8112 28

A:

Q: 9.) Find the value of b² – 4ac, given a = 4, b = 6, and c=-4.

A:

Q: Find a and b if a + (5 – 3b) i = ai + 2 (b + 5)

A: See the attachment.

Q: what is the characteristic of Z6xZ9

A:

Q: Find b if a = 9

A: Given that OA=2 , AB=3 and OC=a=9 b=? Let ∠DOC=θ

Q: Question 2 Give the form of a particular solution of y" - 8y' +16y=-2xe 5e4-2. -2z - a) z = = (Ar² +…

A: We have to find Particular solution for given Differential equation  y" - 8y' + 16 = -2xe-2x - 5e4x…

Q: Compute the following. (a) P6, 2. (b) C6, 2. (c) P6, 6.

A: P(n,r)=n!n-r!C(n,r)=n!n-r!.r!

Q: ! = [2, 2, 4, 2, 2] =

A: Just notice the method of writing denominators carefully.

Q: What is Rolles Theorem and how do you find "c"?

A: What is Rolle’s Theorem and how do you find c

Q: What is m 24?

A:

Q: Find the Linearspline inter polating C-190) (og-1) (3 l

A:

Q: Compute r2

A: Given the calculated values, t value, t = 2.17

Q: Thanks again for the solution. I now need to represent this data visually using either a bar graph,…

A: Given data   Sports Participation Treat X No sports participation Treatment Y 1 85 86 2 86 67…

Q: expand (x+y)6

A: