1. Inv. #8.notebook April 17, 2014
Assignment:
1-->Inv. #8, #1-20 all - Due Tuesday [4/22]
2-->Test #12 - Friday [4/25]

2. Inv. #8.notebook April 17, 2014
Investigation #8:
*Remember...
Probability: Favorable Outcomes
All Possible Outcomes
**The COMPLEMENT of an event is "the opposite of an event"
***CHANCE is probability written as a percent.
60% chance it will rain -
the complement would be:

3. Inv. #8.notebook April 17, 2014
*Odds...
Probability: Favorable Outcomes
Unfavorable Outcomes
**A COMPOUND EVENT is composed of 2 or more simple events
***To find the probability of 2 or more events, we multiply the
probability of each event.
Ex-->A coin is tossed and a number cube is rolled...
What is the probability of getting heads and an even number?

4. Inv. #8.notebook April 17, 2014
*Independent Events...
One outcome doesn't affect the next outcome!
**Theoretical Probability: in "theory" this is what should
happen
***Experimental probability: we actually conduct an experiment
to find the probability

5. Inv. #8.notebook April 17, 2014
Investigation #8 Examples:
A) If a single number cube is rolled, what are the "odds" of
getting a 3?
1:5
B) Dave Murray forecast the chance of rain to be 40%. Based
on the forecast, what is the chance it will NOT rain?
60%

6. Inv. #8.notebook April 17, 2014
C) A coin is tossed an this spinner is spun. What is the
probability of heads and an even number?
1/2 x 1/3 =
D) What is the Sample Space for example "C"?
H1; H2; H3; T1; T2; T3
1 2
3

7. Inv. #8.notebook April 17, 2014
E) If a number cube is rolled three times, what is the
probability of getting 6 all three times?
1/6 x 1/6 x 1/6 =
F) If a coin is flipped four times, what is the probability of
getting Heads all four times?
1/2 x 1/2 x 1/2 x 1/2