A friend of yours plans to toss a fair coin 200 times. You watch the first 20 tosses and are surprised that she got 15 heads. But then you get bored and leave. How many heads do you expect her to have when she has finished all 200 tosses?
A) 110
B) 115
C) 150
D) 105
E) 100

Question

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The Answer of A friend of yours plans to toss a fair coin 200 times. You watch the first 20 tosses and are surprised that she got 15 heads. But then you get bored and leave. How many heads do you expect her to have when she has finished all 200 tosses?
A) 110
B) 115
C) 150
D) 105
E) 100

A Friend of Yours Plans to Toss a Fair Coin