Junior Cycle · Probability
Lesson 2 of 7
JCHL Probability 2: Add or Multiply
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- AND means MULTIPLY the probabilities together
- OR means ADD the probabilities together
- Without replacement: after you take a card it is not put back, so the total (and maybe the favourable count) drop by 1 for the next pick
Formula used
"AND" → multiply the probabilities; "OR" → add them.
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