1. Define the following statistics terms.

Random experiment:

Outcome:

Sample space:

Event:

2. How is relative frequency probability different from classical probability?

3. Let A be the event of getting at least one head from three times of coin toss.

When you toss a coin three times, what is the total number of outcomes?

What is P(A)?

4. Fill blanks with numeric values about the most basic probability laws. Let A be any random experiment.

P(A) = ________ which means that event A cannot happen, never happens.

P (A) = ________ which means that event A must happen, always happens.

____ P(A) _____ which means that probability can neither be negative value nor be greater than 1.

The sum of probabilities of all possible outcomes of a random experiment must equal to _____.