Probability Lecture 1

# Probability Lecture 1 - 2 Probability Lecture 1(6.2 and 6.3...

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2 Probability Lecture 1 ( § 6.2 and § 6.3) Oct. 7-8 The Sample Space of an Experiment is the set of out- comes. (1) Flip a coin (2) Roll a die (3) Observe a queue (4) Flip 4 coins: HHHH HTHH THHH TTHH HHHT HTHT THHT TTHT HHTH HTTH THTH TTTH HHTT HTTT THTT TTTT 1 1 1 2 1 3 1 4 1 5 1 6 2 1 2 2 2 3 2 4 2 5 2 6 3 1 3 2 3 3 3 4 3 5 3 6 4 1 4 2 4 3 4 4 4 5 4 6 5 1 5 2 5 3 5 4 5 5 5 6 6 1 6 2 6 3 6 4 6 5 6 6 An Event is simply a set of outcomes longer than 5” were more tails than heads” (5) ”The number on the red die is larger than the num- ber on the blue die”, ”Roll a 7” & ”Roll a 7 or 11”

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3 Events in one setting can become the outcomes in another setting. In general, these outcomes are not all equally likely. Consider Flipping a Coin 6 Times and observing the num-
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Probability Lecture 1 - 2 Probability Lecture 1(6.2 and 6.3...

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