kataldaine
17.07.2019 •
Mathematics
Abag contains 2 white marbles and seven purple marbles. two marbles are drawn at random. one marble is drwan and not replaced. then a second marble is drawn. 1. what is the probability of selecting a purple marble and then a white marble? 2. what is the probability of selecting two white marbles? 3. is there a greater chance of selecting two white marbles in a row or two purple marbles in a row? show your work.
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Ответ:
2) the probability of drawing two white marbles is 2out of 9
3) two purple because every time you draw if you put it back in the probability doesn't change
Ответ:
0.02777777777
Step-by-step explanation:
Hope this helps :)