The answer is b because it is equivalent.
Answer:
Coupon B
Step-by-step explanation:
Given



Required
Which coupon is better
From the question, we have:


Coupon B means that:



By comparison:
Coupon B gives him a better buy because: 
1/3 chance of getting a cracked egg
4/5 x 2/8 = 0.2 or 8/40 = 4/20 = 2/10 = 1/5
FULL EXPLANATION & ANSWER: