Jann+&+Tier

=Probability=

Our unproject is about Probability. Probability is how likely or "chance" an event will happen. There are two ways to express probability, Theoretical and Experimental probability. Theoretical probability is the prediction. Experimental probability is the actual result.

Probability can be shown in many ways, but it is most likely shown with percents. Percent or "percentage" is always out of 100 and always ends with the sign; %.

A way to find the probability is through Probability Trees. Probability Trees can be very useful when finding the probability of flipping a side in a coin and rolling a number in a die.

There's always 2 common parts in an equation, Favorable outcome and Total possible outcome(s). Favorable outcome is the result that is expected to happen. Total possible outcome(s) is the number of end result that can happen.

Here's and example of a Probability Question:

Q:What is the Probability of flipping a coin and getting a head?

A: __Favourable Outcome__ = Head = 1/2 = 1 / 2 = 0.5 x100 = 50% Total Possible outcomes = Head & tail

Tier & Jann © 2008 Here's our Unproject probability video media type="youtube" key="Wlhri1R8qA8&hl=en" height="344" width="425"