# pre algebra Is it A,B,C or D?

Rodney flips a fair coin and chooses a letter tile A, E, I, O AND U. He performs this experiment 50 times to determine the experimental probability that heads is tossed and the letter A is chosen. Which of the following is most likely to be the experimental probability that Rodney determined?
A. 1/11
B. 9/25
C. 4/7
D. 2/3
I worked this out and I came up with 1/10 x 3/11 = 4/110 = 1/25 but this isn't an answer.

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1. where did you come up with 3/11?

tossing the coin and picking a letter are independent events, so the theoretical probability is just

1/2 * 1/5 = 1/10

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posted by Steve

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