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.
Answer:
False ; the answer to that equation is 56
Step-by-step explanation:
x = 92°
The angle measure of the central angle is congruent to the measure of the intercepted arc.
9.2 x 10 2