# 7th math c2 -inv#8

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Information about 7th math c2 -inv#8

Published on April 17, 2014

Author: jdurst65

Source: slideshare.net

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

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:

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?

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

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%

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

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

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