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A proper unbiased coin was tossed 10 times for 3 trials, giving TTHHTHTTHH, TTTTTHHHHH, and THTHHHTTHT (T = Tails; H = Heads). What is the difference between the theoretical and experimental probabilities of getting heads?

 Nov 10, 2018
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For the theoretical probability, we know that \(10*3=30\) trials and half of them are heads so 15 heads is the total.

 

For the experimental probaility, we need to count all the heads, which in total is 15 heads.

Out of thirty coins total, fifteen are heads, so the theoretical probability is \(15/30\) or \(1/2\).

 

15-15=0 so the answer is 0.

 

You are very welcome!

:P

 Nov 11, 2018

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