Each candle in a particular box is either round or square

[BTGmoderatorDC]

Each candle in a particular box is either round or square and either scented or unscented. If 60% of the candles are round, what is the probability that a candle selected randomly from the box will be unscented?

(1) If a candle is scented, it has an 80% chance of being round.
(2) If a candle is square, it has a 25% chance of being scented.

OA C

Source: Princeton Review

[Jay@ManhattanReview]

Each candle in a particular box is either round or square and either scented or unscented. If 60% of the candles are round, what is the probability that a candle selected randomly from the box will be unscented?

(1) If a candle is scented, it has an 80% chance of being round.
(2) If a candle is square, it has a 25% chance of being scented.

OA C

Source: Princeton Review

See the self-explanatory images, given below.




The correct answer: C

Hope this helps!

-Jay
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