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18 January, 18:40

10. An urn contains 7 blue balls, 5 white balls,

and 3 red balls. What is the probability that

the first ball drawn at random from the urn

will NOT be red?

how

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Answers (1)
  1. 18 January, 19:11
    0
    12/15

    Step-by-step explanation:

    There are 15 balls in total (7+5+3). The ones that can not be red are the blue and green ones, which when added equals 12 (7+5). You put the numbers in a fraction form and ... done! 12/15!

    Have a nice day! : -)

    KA
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