Answer:
A: 30°
Step-by-step explanation:
Hopefully this helps!
The 90th percentile is 1.2816 standard deviations from the mean. That tells you the standard deviation is ...
... (40 in - 38 in)/(1.2816) ≈ 1.56 in
The standard deviation for height for 4-year olds seems to be 1.56 inches.
Can you tell me the question correctly after that I will tell you the answer
Step-by-step explanation:
Answer:
p=30
Step-by-step explanation: