Its either A or C they both have the same spot when it is graphed.
Tenths is 73.9 hundredths is 73.91
Here a "success" is "obtaining a 7 or a 5." Assuming that the 10-sided die is marked {1, 2, 3, ... , 9, 10}, there are 2 ways in which to get a "success" out of 10 possible outcomes. Thus, P(5 or 7) is 2/10, or 1/5, or 02.
I would say 100 hours i am not for sure cause i am a bit confused. sorry
The anset to your question is 1/2