Answer:
if -196 was positive, it could be 14 or -14, but because it is negative, it is considered infinity or unknown
No it’s not proportional. If you had a coefficient in front of the a it could have been proportional. But the addition or subtraction of a quantity leads it to be nonproportional
What you have too do is Times 40 by 25 for question 26
In the customers, there are some people that will choose pesto and alfredo together. Then, if you add P(pesto) and P(alfredo) directly to calculate the P(pesto or alfredo) you will add the P(pesto and alfredo) twice. So the P(pesto and alfredo)= 0.42+0.86-0.93=0.35.
