Time remaining:
You select a card at random from the cards that make up the word “replacement”.

Mathematics
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You select a card at random from the cards that make up the word “replacement”. Without replacing the card, you choose a second card. Find the probability of choosing a consonant and then an “e”. There is 1 letter for each card.

a.2/55

b.21/110

c.1/121

d.1/11

Apr 28th, 2015

The probabiltiy of selecting a consonant is 7/11.

The probability of then selecting an "e" is 3/10.

We multiply these two:  7/11 x 3/10 = 21/110 (choice b)

Apr 28th, 2015

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