Answer:
7/12
Step-by-step explanation:
1/3 + 1/4
We want a common denominator of 12
1/3 *4/4 + 1/4 *3/3
4/12 + 3/12
7/12
It is 20 because the 5 is in the ones place so the 2 has to be in the 10 place which makes it 20
Answer:
a. 9%
b. 0.01445
c. 12.02%
Step-by-step explanation:
n = 5 years
Return rates = 14%, –9%, 16%, 21%, and 3%
a. Arithmetic average return

b. Historical variance (to 5 decimal places)

c. Standard deviation.
