Use the 2 x 2 table below to calculate sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV). DO NOT include the "%" symbol next to vaur wnwer Yes COVID-19 No COVID-19 Infection Infection Total (a +b) Screening Test Positive (b) 78 (a) 78 Screening test Negative (c) 261 (d) 268 (c+ d) 7. (a+c) 261 (b+d) (a+b+c+ d) 346 Total 85

Q: (-14) + (–7)

A:

Q: 1. Find L-¹{e-³s} 5}

A: We have to apply the inverse Laplace transform of the second shifting theorem to find the solution…

Q: factors of 24 that add up to 10

A: factors of 24 that add up to 10

Q: 2. 3. 8. 5.

A:

Q: b. N(0)

A: Given,  r→t=sint, t, cost                   ...1

Q: a3-16a

A: a³−16a ⇒a(a²−16) ⇒a(a² −4²) ⇒a(a+4)(a−4)

Q: 4(2w-5) = 5w + 4 %3D

A:

Q: 2 3 B={ A= 3 Find: A+B .B+A .A-

A:

Q: 18 and 19

A: Question 18 : Consider the statement "If A∪C ⊂ B∪C, then  A ⊂ B " which of the following is a…

Q: 619 d. 4 10

A:

Q: 9/12+3/24

A:

Q: (4 – a2)

A: To integrate.

Q: 3/8+5/24

A: The given expression is 3/8 + 5/24.Simplify the given expression as follows.

Q: 5)235

A: Answer : 47

Q: 2.)(-6)-(5(1-3)-6)-4+9)

A: The given equation is as  (-6)-(5((-3)-6)-(-4)+9)

Q: 3x 13)

A:

Q: Suppose in 160 pages of a book there are 160 printing errors that are distributod an a Polsson…

A:

Q: d 6

A: 5. In the given right triangle , the hypotenuse is 41 and the perpendicular length is 40. Apply the…

Q: y27x+2

A: y >= 7x/4 +2

Q: 18(9+7)+3

A: 18(9+7)+3

Q: 3. 2-1 da

A: Use the product rule to determine the derivative for the given…

Q: Identify the work done, J. F.dr by an electric field, E = (x + xy)î + (y + 5)f – 5zk V/m to move an…

A: Work done along the curve C by vector field F . Where C is given by parametric equation r(t)…

Q: 6. 8.

A: Pythagorean Theorem:                  Pythagoras theorem states that  "In right angled triangle ,…

Q: 12 8. 4

A: Given, 12/4 - 8/5 Taking LCM we have, LCM= 4*5= 20

Q: (S+a?) (s*+b?)

A:

Q: 39. 2

A: according to given figure given function is decreasing in it's domain

Q: 9. x+8

A: For two intersecting chords , the  multiples of the lengths of the line segments on each chord are…

Q: What is the product of 3 and 3?

A: To find the product of given irrational numbers.

Q: O 1.4 1.4

A: Given: 4:48