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

Respuesta :

devishri1977

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