ashleyfay6350
12.12.2020 •
Mathematics
A bag contains 18 balls: two green, five black, eight blue, a brown, a red
and one white. If 17 balls are removed from the bag at random, what is the
probability that a brown ball has been removed?
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Ответ:
17/18
Step-by-step explanation:
because since the brown ball is only 1 out of 18, it has a one of 18 chance of getting picked, but if 17 more are picked, then its chance increases, making it 17/18
Ответ:
Her method will produce a valid sample.
Her method will produce a random sample.
Her method will produce a representative sample.
Step-by-step explanation: