HL Probability 2 Examples & Solutionslcmaths.weebly.com/uploads/1/0/7/1/10716199/hl...HL Probability...

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HL Probability 2 Examples & Solutions 1 January 29, 2013 Tree diagram

Transcript of HL Probability 2 Examples & Solutionslcmaths.weebly.com/uploads/1/0/7/1/10716199/hl...HL Probability...

HL Probability 2 Examples & Solutions

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Tree diagram

HL Probability 2 Examples & Solutions

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SAMPLE SPACEPROBABILITY PROBABILITY x PAYOUT

HL Probability 2 Examples & Solutions

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HL Probability 2 Examples & Solutions

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HL Probability 2 Examples & Solutions

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Check Independence

if independent

⇒ events are independent

⇒events are not independent

HL Probability 2 Examples & Solutions

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CLASS A CLASS B

ways of choosing 2 from each class

HL Probability 2 Examples & Solutions

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Read directly from table

HL Probability 2 Examples & Solutions

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or use tables

Describe a simulation you could design to give an approximation of the answer?

Let each toy be represented by the number on a dice.

Roll until all numbers appear.

Repeat simulation a number of times.

HL Probability 2 Examples & Solutions

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Assume equal chance of boy or girl being born.

Repeatedly toss 5 coins,Let H stand for boy

Let T stand for girl

Table the Results and draw conclusion 

Use a random generator with numbers 1 to 12 to represent the months of the year.

Repeatedly generate 4 numbers

Table the results and draw conclusion.