mckaylachavis4otpzc8 mckaylachavis4otpzc8
  • 31-07-2017
  • Mathematics
contestada

A bag contains 3 red marbles, 5 green marbles and 7 blue marbles. If Janelle picks one marble out of the bag, what is the probability that the marble is red?

Respuesta :

musiclover10045
musiclover10045 musiclover10045
  • 10-08-2017

3+5+7 = 15 total marbles

3 are red

 so she has a 3/15 reduces to 1/5 probability of picking a red one

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