CK-12-Basic Probability and Statistics Concepts - A Full Course

http://www.ck12.org Chapter 3. Introduction to Discrete Random Variables

Choose OK by pressing

GRAPH

and go back to the main screen. Then choose TOSS by pressing

WINDOW

.

To find the frequency, we need to press the

I

arrow to view the frequency for the tossing experiment.

Notice that the frequency of tails is 59. Now you can calculate the experimental probability.

P(tails) =

59

100

= 0. 59

With 50 tosses, the experimental probability of tails was 60%, and with 100 tosses, the experimental probability of
tails was 59%. This means that the experimental probability is getting closer to the theoretical probability of 50%.

You can also use this same program to toss 2 coins or 5 coins. Actually, you can use this simulation to toss any
number of coins any number of times.