Do Now 4/5/11 Take out HW from yesterday. Take out HW from yesterday.  Text p. 295, #6-12 all Copy HW in your planner. Copy HW in your planner.  Textbook.

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Do Now 4/5/11 Take out HW from yesterday. Take out HW from yesterday.  Text p. 295, #6-12 all Copy HW in your planner. Copy HW in your planner.  Textbook page 309, #3-7 all, 11a & b, 17 & 18 #3-7 all, 11a & b, 17 & 18 In your notebook, find the length of BF given that ABCD ~ CEFG. BFC AD EG 9 cm 4 cm 12 cm 12 cm x

Homework Text p. 295, #6-12 all 6) 24 inches 7) 15 mm 8) 9 cm 9) 12.5 yd 10) 6 ft 11) 9 m 12) a. 63 in. b ft. or 15 ft. 9 in.

Objective SWBAT find the probability of an event.

Experimental probability- performing an experiment and testing data. Section 6.7 “Probability and Odds” Theoretical probability- Theoretical probability- mathematically tells you how likely it is that an event will happen.

“Probability of an Event”

The probability of something occurring is always between 0 and 1. The probability of something occurring is always between 0 and 1. “Interpreting Probabilities” Impossible Certain to occur Unlikely to occur Likely Likely to occur Occurs ½ the time

“Theoretical Probability” A probability is always written as a ratio or fraction Total number of regions RED Number of RED regions How many are RED? How many denominations is the whole broken up into? What is the probability (your chances) of landing the spinner on a RED region? How about a BLUE region?

“Experimental Probability” Draw the following circle chart on your paper. Shade in the blue areas on your chart with your pencil. Using your pencil and a paperclip spin your spinner 8 times. Record the number of times where the spinner stopped. Do your experimental outcomes match the theoretical outcomes? Why or why not?

Suppose you are rolling a two 6-sided number cubes and finding the sum of the rolls. Suppose you are rolling a two 6-sided number cubes and finding the sum of the rolls. What is the probability that you will roll a 7? What is the probability that you will roll a prime number? a composite number? “Roll the Dice”

NJASK7 Prep Homework  Textbook page 309, #3-7 all, 11a & b, 17 & 18 #3-7 all, 11a & b, 17 & 18