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August 27, 2016

Homework Help: Math

Posted by Frances on Thursday, May 5, 2011 at 5:42pm.

Teresa put tiles marked with the letters of her name into a bag. The back of each tile is blank.
The tiles are shown below.
T
E
R
E
S
A
Without looking into the bag, Teresa will pick a tile.
a. What is the probability that Teresa will pick a tile with the letter T on it? Show or explain
how you got your answer.
b. What is the probability that Teresa will pick a tile with a vowel (A, E, I, O, U) on it?
Show or explain how you got your answer.
Suppose Teresa first picked a tile with a vowel on it. Now Teresa will pick a second tile.
She will not put the first tile back into the bag.
She will not look into the bag while picking the second tile.
c. What is the probability that Teresa will pick another tile with a vowel on it? Show or
explain how you got your answer.

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