Answer:
 .
.
Explanation:
To solve this, we will first need to think about the probability of getting "tails". A coin has two sides, meaning landing on "tails" would result in a probability of 
 per toss.
 per toss.
In the question, a total of 3 tosses is given. This means we will need to multiply the probability 3 times:
 ×
 ×
 ×
 ×
 =
 = 
 .
 .