Given:
Black and White are 7.
Red and White are 9.
Black with Spots is 8.
Red with Spots is 5.
To find:
The probability of a puppy having no spots.
Step-by-step explanation:
We know that,
The formula of the probability of an event is,

The number of puppies having no spots is,

The total number of puppies is,

Therefore, the probability is,

Final answer:
The probability of a puppy having no spots is,
