<span>5y^2 = 405
y^2 = 405/5
y^2 = 81
y = - 9 and y = 9
answer
</span><span>±9</span>
Answer: a) 0.7878, b) 0.8723
Step-by-step explanation:
Since we have given that
Nicotine present Nicotine absent
Self-reported non smoker 82 14
Self-reported smoker 12 52
(a) What is the sensitivity of the self-reported smoking status?

(b) What is the specificity of the self-reported smoking status?

Hence, a) 0.7878, b) 0.8723
I dont see the numbers that you mean, is there supposed to be a picture?
Answer:
y+3=1/2(x-4)
Step-by-step explanation:
Y-y1=m(x-x1)
y+3=1/2(x-4)
Answer:
6.75
Step-by-step explanation: