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Probability, NAP-B4-NC28 SA

A coin is tossed 3 times. There are 8 possible outcomes.

What is the probability of getting 2 heads and 1 tail in any order?

Show Answers Only

`3/8`

Show Worked Solution

`text(Strategy 1)`

`text{The table (array) below lists the possible outcomes:}`
 

  1st toss H H H H T T T T
  2nd toss H H T T H H T T
  3rd toss H T H T H T H T
       ✓  ✓    ✓      

`text(From table,)`

`Ptext{(2H, 1T)} = 3/8`
 

`text(Strategy 2)`

`text(This problem can also be efficiently solved using a)`

`text(probability tree.)`

Filed Under: Probability, Probability Tagged With: Band 10, smc-3191-30-Multi-step events, smc-3191-70-Probability trees, smc-3191-80-Arrays, smc-682-30-Multi-step events, smc-682-70-Probability trees, smc-682-80-Arrays

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