Simulate the problem by tossing a coin.
Let heads stand for a boy and tails for a girl.
Record the results of tossing a coin, a fixed number of times, in a table.
Toss a coin, say 100 times.
Record the results in a table.
Separate the results into groups of 5.
Separate the results of 100 tosses into 20 groups of 5.
Count the groups with 3 heads.
Count the groups with exactly 3 heads.
There are7 groups with exactly 3 heads.
Experimental probability of an event is number of times the event occurs divided by number of times the experiment is done.
The number of times the event occurs is 7, and the number of times the experiment is done is 20.
Convert the decimal into percent.
Convert the decimal into percent by multiplying it with 100.
0.35 · 100 = 35
So, the experimental probability is 35%.
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