scribepost for march 9 2009

Today in class. We did more probability.
We did some qeustions and notes about probablity.

Notes:

Sample space is the set of all possible outcomes of a random proccess.

Independent events is the outcomeof one event has no effect on the outcome
of another event.


Tree diagram is adiagram used to organized outcome.
-Contains a branch for each possible outcome of an event.

Questions:

What si the probablity of rolling a prime number with a regular die
Answer:1/2 or 50% or 1:2

find the probability of rolling two sixes in a row with a regular die.
Answer: 1/36

Probability of landing a coin on heads and rolling an odd number.
Answer:1/4 or 25% or 1:4


ENJOY!

HOPE YOU LIKE IT............I PICK LAURA TO DO THE NEXT SCRIBEPOST.