Answer:
2.01 ⋅ 10−2
Step-by-step explanation:
Probability =
(number of different successful results) / (number of all possible results) .
Number of marbles that are not blue = 7
Number of marbles in the bag = 10
Probability that one marble drawn at random is not blue = 7/10 = 70% .
As we know,
and
now, let's add them as shown ~