prudencefaith prudencefaith

27-03-2021
Mathematics

contestada

An urn contains four red marbles, and five blue marbles. What is the probability of selecting at random, without replacement, two red marbles?

A. 16/72
B. 20/72
C. 12/72
D. 20/81

Respuesta :

joshmarleytabby joshmarleytabby

29-03-2021

Answer: C. 12/72

Step-by-step explanation: 4/9 (the total of red marbles out of the urn) times 3/8 ( the probability of picking a red marble and how many marbles would be left) = 12/72

Btw I need help answering the rest of the questions if you don’t mind sliding the answers!

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