08-11-2019
Mathematics

contestada

A bag contains five red marbles and seven blue marbles. You randomly pick a marble and then return it before picking another marble. Find the probability the first marble is red and the second is blue

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devishri1977 devishri1977

08-11-2019

Answer:

Step-by-step explanation:

Total number of marbles = 5 + 7= 12

P(first marble to be red) = 5/12

P(first marble to be blue) = 7/12

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