Answer:
1: [tex]\frac{6}{14}[/tex]
2: [tex]\frac{1}{2}[/tex]
Step-by-step explanation:
1: the number of yellow marbles is 6
the number of marbles in the bag is 14
the probability of yellow marbles out of the bag is
number of yellow marbles over number of marbles in the bag
2: there are only two sides
one head and one tail
head over tail is [tex]\frac{1}{2}[/tex]