Answer:
1) [tex]\frac{5}{10} = \frac{1}{2}[/tex]
2) [tex]\frac{3}{10}[/tex]
3) [tex]\frac{2}{10} = \frac{1}{5}[/tex]
4) [tex]\frac{7}{10}[/tex]
Step-by-step explanation:
Probability = [tex]\frac{number of favourable outcomes}{total number of favourable outcomes}[/tex]
gray marbles = 5
white marbles = 3
black marbles = 2
total number of marbles = 10
