A bag with 7 marbles is shown below. (4 marble is grey and 2 are white, and 1 is black )

A marble is chosen from the bag at random. What are the odds in favor of choosing a grey marble?

there are 4 grey marbles and totally 7 marbles

p(grey marble) =4/7

Odds in favor of grey marble = 4:3

Answer: odds 4:3

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