nonametomato11 nonametomato11

02-11-2018
Mathematics

contestada

A bag contains 5 yellow marbles, 16 green marbles, and 2 red marbles.

a) what is the chance of drawing a red marble?
b) if a red marble is drawn the first time and then a second marble is drawn without replacement, what is the probability of drawing a yellow marble?

Respuesta :

ange202101 ange202101

02-11-2018

red chances are 2 out of 23
yellow is 5 out of 21

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