Answer:

Step-by-step explanation:
<em>Let P(W) represents the probability that Paul wins</em>
<em>Let P(W') represents the probability that Paul does not win</em>
Given

Required

In probability, the sum of opposite probability equals 1;
This implies that

Substitute
in the above equation
becomes

Subtract
from both sides


Solve fraction (start by taking the LCM)



Hence, the probability that Paul doesn't win is 
Answer:
B : 850
Step-by-step explanation:
Answer:
Step-by-step explanation:
No. of dogs not micro chipped= 109+27=136
No. of dogs not microchipped/total numbers of dogs= (136/144)*100=30.63