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: factors of 24 that add up to 10

A: factors of 24 that add up to 10

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: 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: 3/8+5/24

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

Q: d 6

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

Q: 18(9+7)+3

A: 18(9+7)+3

Q: 6. 8.

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

Q: What is the product of 3 and 3?

A: To find the product of given irrational numbers.