Question #b1305
1 Answer
Jan 30, 2017
They are independent.
Explanation:
Gigi has
The chance of her pulling out a quarter is
Now, she has
However, she puts the missing quarter back in, returning the sample size to the original, before performing the exact same procedure (pulling out a coin).
The new coin has
Therefore, the fact that the first coin she pulled out was a quarter didn't matter, since she put it back, and the new sample size and chances are the same.