9514 1404 393
Answer:
64.6
Step-by-step explanation:
One standard deviation is 4.3. Then +2 standard deviations is ...
(+2)(4.3) = +8.6
This amount added to the mean gives ...
56 +8.6 = 64.6 . . . . +2σ from the mean
9x squared - 6x - 6x + 4
9x squared - 12x + 4
Answer:
3.375
Step-by-step explanation:
(3/5)^3 / (2/5)^3 = 3.375
That is not correct. I just took the test and the answer is 2/3