Question 1201253
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P(all 3 heads) = (1/2)^3 = 1/8
P(all 3 tails) = (1/2)^3 = 1/8<br>
P(all 3 the same) = 1/8 + 1/8 = 1/4<br>
The expected number of times in 100 trials that the three coins land on the same side is 100(1/4) = 25.<br>
ANSWER: 25<br>