Seudónimo Seudónimo
  • 22-12-2020
  • Mathematics
contestada

You have 20 marbles: 8 red, 7 blue and 5 yellow.

What is the probability of pulling 4 blue marbles if you put the marble back after each pull?

Respuesta :

bangtanluv321 bangtanluv321
  • 22-12-2020

Answer:

2401/160000

Step-by-step explanation:

20 marbles in total

7 blue marbles

7/20 chance of getting blue marble

4 pulls =

(7/20)^4 =

2401/160000

Answer Link

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