Answer: 34%.
By definition of normal distribution, ≈68% of the data is within 1 standard deviation of the mean. Therefore 68% of IQs are between 85 and 115, and half of that is on the lower end, 85 to 100.
The answer is yes cause it has to be between 1-10 no bigger than just in between 1-10
Answer:
x = ± 
Step-by-step explanation:
Given
ax² + b = c ( subtract b from both sides )
ax² = c - b ( divide both sides by a )
x² =
( take the square root of both sides )
x = ± 
Answer:
a. this b>9 B. the first one C. the second one
Step-by-step explanation:
D is the first one