Answer :
Answer:
0.8125
Step-by-step explanation:
The proportion of cookies which contains the optimal number of chocolate chips :
From the graph :
Total graph is divided into 8 equal portions
Shaded area represents the proportion which contains exactly 18 chips (optimal)
Portion of shaded area = 6.5
Hence, The proportion of cookies which contains the optimal number of chocolate chips :
6.5 / 8 = 0.8125