Page 154 - TB_6B
P. 154
3 . Find the experimental probability of heads when tossing a nickel.

Let’s Play

1. Toss a nickel 30 times. What you need:
2. Record the outcomes using tally marks in

the table.

3. Find the experimental probability of tossing Nickel
heads.

4. Compare the experimental and theoretical probabilities of tossing a

nickel.

Number of Tosses 10 20 30
Number of Tossing Heads
Experimental Probability 1 1 1
2 2 2
Theoretical Probability
Compare 50% 50% 50%

Number of Spins 50 100 300 900 The table shows the
15 31 98 300 experimental probability
Number of 0.300 0.310 0.327 0.333 of spinning red.
Red Spins The experimental
probability reaches 0.333
Experimental as the number of spins
Probability

increases. The experimental probability of an outcome becomes closer to

the theoretical probability of an outcome as you do the experiment many

times under the same condition.

31. Which Team Will Win? 143
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