Probability, SMB-004 MC

Peter has a bag of marbles. 75% of his marbles are blue.

Peter takes a green marble from his bag and loses it in a game.

If he takes another marble from the bag without looking, what are the chances it is blue?

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`C`

Show Worked Solution

`text{Taking marbles two times without replacement → dependent events.}`

`text(When taking the second marble, there will be greater than 75% chance)`

`text(of choosing blue because there are the same amount of blue marbles)`

`text(to be chosen but 1 less marble of another colour.)`

`=>C`