The contingency table below shows the results of a survey of video viewing habits by age. Video Viewing Platform Preferred Mobile/Laptop Device Row Total 63 Viewer Age TV Screen 18-34 40 23 35-54 12 12 24 13 5 57 55+ 8 Column Total 43 100 Find the following probabilities or percentages: (a) Probability that a viewer is aged 18-34. (Round your answer to 2 decimal places.) Probability .63 (b) Probability that a viewer prefers watching videos on a TV screen. (Round your answer to 2 decimal places: Probability 43 (c) Percentage of viewers who are 18-34 and prefer videos on a mobile or laptop device. Percentage of viewers 40 % (d) Percentage of viewers given they are 18-34 who prefer videos on a mobile or laptop device. (Round your an places.) Percentage of viewers % (e) Percentage of viewers who are 35-54 or prefer videos on a mobile or laptop device. Percentage of viewers

Q: Find || projau || if u = (2,4) and a = = (3,-1). NOTE: Enter the exact answer or round the exact…

A: projau=u.aa2a   For two vectors u=u1,u2 and a=a1,a2a.u=a1×u1+a2×u2   For any vector x=x1,x2x=x12+x22…

Q: Suppose B = (2, 5, 1) and AB = (11, 1, 3). Then A=help ( help (points)

A:

Q: If 21 = (2, -1), z₂ = (6, 3), find 2₁ 22 - 22.

A:

Q: u = (2, 11), v = (-5, 2) (a) u. v (b) u.u (c) ||v||2 (d) (u - v)v (e) u (3v)

A: Given that u=(2,11) and v=(-5,2) Find  a)u.v b)u.u c)||v||2 d)(u.v)v e)u.(3v)

Q: Find w such that 2u + v- 3w = 0. %3D u = (0, 5, 7, 2), v = (-3, 4, -8, 1) W =

A: vector

Q: 4. J da 4 4 (a²-3)

A:

Q: Find u x v, v x u, and v x v. u = (2, -9, –1) v = (9, -2, -6) (a) ux v (b) v xu (c) v x v V

A: We need to find cross product.

Q: Due to heavy rainfall and waterlogging, only a few vehicles are seen on the road. Check the…

A:

Q: berivative g (Lo +3)ス +4x-3)

A: We want to find Derivative of given function.

Q: Find u•v

A: As   u = -12,2         v = 1,6   So,  u→=-12 i+2 j        v→= i+6 j

Q: Calculate (a +5) -č where a = (-1, 2, 3), 5= (1, 1, 1) and = (2,-2, 1)

A: Consider two vectors u→=u1, u2 and v→=v1, v2. Then the sum of these two vectors is defined by…

Q: True or false: If (a,b) = (a,c) = 2, then (b,c) = 2

A: a, b=a, c=2

Q: Find u · v, u· u, v||2, (u · v)v, and u · (3v). u = (4, 11), v = (-2, 3) (a) u. v 25 (b) u.u 137 (c)…

A:

Q: Find ux v, v x u, and v x v.

A:

Q: Find u x v, v x u, and v x v. u = (-6, 2, -7) v = (-2,-5, -3) (a) ux v (b) vxu (c) vxv

A: given vectors

Q: [AB, C] = A[B, C] + [A, C|B (Proof that)

A: simply & expand each one we get. [AB, C] = ABC - CABA[B,C] = A(BC - CB) = ABC - ACB[A,C]B = (AC…

Q: x 2. -4 x

A: Note:-As per your demand we solve question 2 for you The given figure is

Q: d. g(-3) e. g'(1) f. g(3)

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

Q: what are my variable?

A: The question which is to be verified using hypothesis testing is  " do resting heart rates differ…

Q: Find u + v, 2v, u- v, and 3u - 2v. u = (1, -4, 2, 1), v = (0, 2, 2, 3) (a) u + v = (1, – 2,4,4) (b)…

A:

Q: Find u x v, v x u, and v x v. | = (−1, 5, 4) v = (-5, -4, -7)

A:

Q: Let A = {a, b} then select the best one option. (a) {(a, a), (b, b)}is reflexive (b) {(a, a), (b,…

A: Introduction: A relation R is reflexive on any set A if for every element in A a∈A, We have a,a∈R.

Q: Find u v, uu, ||u||2, (u v)v, and u. (2v). u = , V = (a) u. V 27 (b) 306 (c) 306 (d) (e) u u ||u||²…

A:

Q: Let å = (– 1, – 2, 1) and b = (4, 2, 1). Find å x b. V

A:

Q: (D+30+3 (0+30+2)) -2)y ex %3D

A: The given differential equation is: D2+3D+2y=e-xx where D=ddx is the differential operator.

Q: Which are the coordinates of F of the image (T(-3, 4) D4)(ADEF) given D(-7,-6), E(-8, 3), and F(2,…

A:

Q: can you explain more about how you get fxx, fxy, and fyy

A: Given: The given function is Px,y=e9x+10y-x2-y2-33. Also,  Px=9-2x·e9x+10y-x2-y2-33…

Q: What is the independent variable and the dependent variable?

A: Dependent variable is the response variable that we observe from the subjects under study, and…

Q: u = ⟨−7, −1⟩, v = ⟨−4, −1⟩, find (a) u ∙ v, (b) u ∙ u, (c) || v ||2 , (d) (u ∙ v)v, and      (e) u ∙…

A: Hey, since there are multiple subparts are posted, we will answer first three subparts.

Q: 2. DG = 3x - 3 2x +2, EF D. G.

A:

Q: Find u x v, v x u, and v x v.

A:

Q: The slops of (-2,-2) and (2,1)

A: Topic:-  Geometry

Q: G (5,8) H (4,-5) J (17,-6)

A:

Q: a51 - Find ax2@y3 if f(x,y)-x.e z

A:

Q: write of linear Combination as a V,Vz, V3 where V= (2,7,10), V.=(1,2,3),V2=(1,3,5), V3=(1,5,9)

A: Let us assume v can be expressed as linear combination of v1, v2 and v3 v=av1+bv2+cv3…

Q: What is x and y? (3x + 2y, 4) = ( 6, 2x + 3y)

A:

Family of Curves

A family of curves is a group of curves that are each described by a parametrization in which one or more variables are parameters. In general, the parameters have more complexity on the assembly of the curve than an ordinary linear transformation. These families appear commonly in the solution of differential equations. When a constant of integration is added, it is normally modified algebraically until it no longer replicates a plain linear transformation. The order of a differential equation depends on how many uncertain variables appear in the corresponding curve. The order of the differential equation acquired is two if two unknown variables exist in an equation belonging to this family.

XZ Plane

In order to understand XZ plane, it's helpful to understand two-dimensional and three-dimensional spaces. To plot a point on a plane, two numbers are needed, and these two numbers in the plane can be represented as an ordered pair (a,b) where a and b are real numbers and a is the horizontal coordinate and b is the vertical coordinate. This type of plane is called two-dimensional and it contains two perpendicular axes, the horizontal axis, and the vertical axis.  

Euclidean Geometry

Geometry is the branch of mathematics that deals with flat surfaces like lines, angles, points, two-dimensional figures, etc. In Euclidean geometry, one studies the geometrical shapes that rely on different theorems and axioms. This (pure mathematics) geometry was introduced by the Greek mathematician Euclid, and that is why it is called Euclidean geometry. Euclid explained this in his book named 'elements'. Euclid's method in Euclidean geometry involves handling a small group of innately captivate axioms and incorporating many of these other propositions. The elements written by Euclid are the fundamentals for the study of geometry from a modern mathematical perspective. Elements comprise Euclidean theories, postulates, axioms, construction, and mathematical proofs of propositions.

Lines and Angles

In a two-dimensional plane, a line is simply a figure that joins two points. Usually, lines are used for presenting objects that are straight in shape and have minimal depth or width.