Expected Value

Question 1

What is the probability of rolling a 3?

Revolt · Accepted Answer

1/6

Question 2

Each possible outcome of the number cube has the same theoretical probability. What is that probability?

Revolt · Accepted Answer

1/6

Question 3

What is the average after 10 rolls:

Revolt · Accepted Answer

What is the average after 10 rolls:

Question 4

What do you think would happen to the average if you kept rolling the number cube over and over?

Revolt · Accepted Answer

The average would approach a set value.

Question 5

Click once. Then record the average shown for 100 rolls:

Revolt · Accepted Answer

Click once. Then record the average shown for 100 rolls:

Question 6

You may have noticed that the average is approaching a specific value. What value is the average approaching? (To convince yourself, you may want to roll the number cube a little more.)

Revolt · Accepted Answer

3.5

Question 7

Average after 20 rolls: Average after 40 rolls:

Revolt · Accepted Answer

Average after 20 rolls:

Question 8

Average after 200 rolls: Average after 1,000 rolls:

Revolt · Accepted Answer

Average after 200 rolls:

Expected Value Answers

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