9.Thirty boxes of chocolates are placed on a table at a birthday party.Four of the boxes contain in a free ticket for a movie.The probability that a box chosen at random will not contain a ticket is
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Step-by-step explanation:
=
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Answer:
Step-by-step explanation:
Number of total boxes=30
Number of boxes ticket contains=4
Number of boxes not contains=30-4=26
Therefore probability of not getting is 26/39=13/15
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