<h3>Answer:</h3>
6 in
<h3>Explanation:</h3>
CG is 2/3 the length of median CM, where M is the midpoint of AB. M is the center of the circumscribing circle, which has radius 9 in, so CM is 9 in, and CG is 6 in.
Answer:
4+4+8+8+422+33+65520222222+222= 65,520,222,923
Solution: We are given:

Using the empirical rule, we have:
covers 68% of data.
Also the percentage of values below mean = Percentage of values above mean = 50%
Now, let's find the z score for x=20

Therefore, the percentage of values greater than 1 standard deviation above mean 
Expected number of students = 16% of 100 = 16
Yes that is true because -3=3 so -3 is less