16 / 25= 0.64
0.64*100=64
64% of the students bring cameras.
I believe it is 30
Explained
Answer:
B. This event will not happen.
C. The probability is 0.
Step-by-step explanation:
Only B and C can be answers because there are no green marbles so how can you select a green marble when there aren't any. The probility is 0 which means never going to happen.
(t^2-1)(t^2-4)
so t=(-1, 1, -2, 2)
Time moves in one direction to our knowledge so disregard negative values.
depending on context, 1st and 2nd yr
