sama3638
26.07.2019 •
Mathematics
Ou select a marble without looking and then put it back. if you do this 21 times, what is the best prediction possible for the number of times you will pick a marble that is not orange? there are 7 marbles in total, 2 orange marbles and 5 blue marbles
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Ответ:
?/21 = chances to pick a non blue
21/7 = 3
5x 3 =15
15/21
Ответ:
answer is A
Step-by-step explanation:
A. 24/6 x 10
B. 24/10 x 6
C. 6/10 x 24
D. 6/24 x 10