2 years ago

Please help me to work this out

Mathematics

1 answer:

qaws [65]2 years ago

5 0

Answer:

P ( not white ball) = 2/3

Step-by-step explanation:

If there are 10 blue balls and 10 black balls and 10 white balls,

10+10+10 = 30 total balls

P(white ball) = white balls/ total balls

= 10/30

= 1/3

P (not getting a white ball) = not white/ total

= (blue + black)/ total

= (10+10)/30

=20/30

2/3

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Step-by-step explanation: