Introduction to Probability

First, we will discuss experiments where outcomes are equally likely to occur and the frequency approach to assigning probabilities. Then, we will focus on the concept of events and touch on the issue of conditional probability.

Question 1 out of 3.
Select all that apply. Probability can be thought of as:

 symmetrical outcomes

 relative frequencies


Question 2 out of 3.
The paper says there is an 80% chance of rain today, so you plan indoor activities. Then it doesn't rain. Was the forecast wrong?



Question 3 out of 3.
Most probabilities we will deal with in psychology are zero or one.