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A bowl contains 3 red and 2 blue marbles...

A bowl contains 3 red and 2 blue marbles. Roohi wants to pick a red marble.
Which of the following changes could she make so that the probability of picking a red marble is greater than it was before?
(i) Adding a red marble
(ii) Removing a blue marble
(iii)Adding 1 red and 1 blue marble

A

only (i)

B

only (i) and (ii)

C

only (i) and (iii)

D

(all of the above)

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