Since its out of 15 marbles all together and all you need to find is the probability of 3 blue marbles you would have to divide 3 by 15. The outcome would be 0.2 or in your case... B. - 0.20
0.3 should be the answer!
Answer:
6
Step-by-step explanation:
66
I think it might be D
The size of the sample space is the total number of possible outcomes. For example, when you roll 1 die, the sample space is 1, 2, 3, 4, 5, or 6. So the size of the sample space is 6. Then you need to determine the size of the event space.
Answer:

Step-by-step explanation:
Given,
A = { ( 2 , 3 ) , ( 5 , 1 ) , ( -3 , -2 ) , ( 0 , 3 )
To find : Range
Range are set of all y - co-odinates.
So, Range = { - 2 , 1 , 3 }
Hope I helped!
Best regards!!