a jar contains 30 red marbles 50 blue marbles and 20 white marbles if you select one marble from the jar at random what is the theoretical probability of getting a red marble

Question

Mathematics

Charlie Carney

8 May, 10:45

a jar contains 30 red marbles 50 blue marbles and 20 white marbles if you select one marble from the jar at random what is the theoretical probability of getting a red marble

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Answers (2)

Know the Answer?

Blake Mcgrath · Answer 1

3/10

Step-by-step explanation:

P (red) = red marbles / total marbles

We have 30 red marbles

total marbles = (20 white + 50 blue + 30 red) = 100 marbles

P (red) = 30/100 = 3/10

Drake · Answer 2

0.30 or 30%.

Step-by-step explanation:

This = number of re marbles / total number of marbles

= 30 / (30+50+20)

= 30 / 100

= 0.30.