viancasaucedo2005 viancasaucedo2005

31-03-2021
Mathematics

contestada

The numbers 1 through 20 are written on ping pong balls and placed into a bin. One ping
pong ball is drawn. Find the probability that you draw an even number or a 3.

Respuesta :

clarch19 clarch19

01-04-2021

Answer:

11/20

Step-by-step explanation:

P(even #) = 1/2

P(3) = 1/20

add both probabilities: 10/20 + 1/20 = 11/20

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