Answer:
C.
Step-by-step explanation:
The diameter is the line across the center of the circle
Given: Mean μ = 61.2 and standard deviation σ =21.4
The Z score of the value x=45 is given by
Z = 
Z = 
Z = 
Z = -0.757
The z-score value for 45 rounded to nearest tenth is -0.8
Answer: A
Step-by-step explanation: