Probability

1
Probability
2
Simulations
3

• Get Ahead Booth ( )
• Lucky 3s Booth ( )
• Evens or Odds Booth ( )
• Pick a number Booth ( )
• Coin and Cube Booth ( )
• Teens only Booth ( )

4
Probability

• Experiment A process that yields one of many
  observations
• Outcomes of an experiment
• Sample space Collection of all outcomes of an
  experiment
• Event A subset of the sample space. Could be
  simple or compound.
• What were the sample spaces in the Carnival
  games?

5

• Theoretical probability
• Experimental probability Found by repeating an
  experiment a number of times
• Law of Large Numbers If an experiment is
  repeated over and over again then the
  experimental probability approaches the
  theoretical probability

6
True/False, Fill in the blank, Matching (15 pts)

• In Interval data, zero is just another point on
  the scale?
• The number of family members in this class is an
  example of a continuous variable?
• Bar graphs are useful to show the relative size
  of each group to the whole?
• The slope of the Least Squares line is given by
  Syy/Sxx?
• The class 0-10 has a class length of 10?
• A data representation that preserves the original
  raw data is the _____________
• Histograms are suitable for categorical data
  sets?
• A line plot shows how data values change over
  time?
• In a histogram the class with the highest
  frequency is called the _____________
• The mean in statistics refers to the arithmetic
  mean?
• The mean average deviation is got by adding the
  deviations and dividing by the number of data
  values?
• A person who scored 75 on a test must be at the
  75th percentile?
• The Empirical Rule states that for any
  distribution, 68 of the data values lies within
  one SD?
• An outlier lies to the right of the lower fence?
• A positive correlation implies cause-and-effect
  always?
• To graph the Median-Median line we have to divide
  the data into 3 groups based on the y-values.

7
Short Answers (20 pts)

• Q8, pg. 116
• Q7, pg. 82
• Q9, Q10,Q11, pg. 83
• Q4, pg. 81
• Q15, 84
• Q7, Q8, pg. 18
• Q4,Q6, pg. 45

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Long Answers (15pts)

• Q7, pg. 115
• Derivation (5pts)