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Compute the proportion of cookies produced each day that contain the optimal number of chocolate chips. Enter your answer as a percentage with one decimal of precision.

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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