The probability they choose a black and a brown puppy is 0.2857 (option B)
Probability determines the chances that an event would happen. The probability the event occurs is 1 and the probability that the event does not occur is 0.
The probability they choose a black and a brown puppy = (number of black puppies / total number of puppies) x ( (number of brown puppies / total number of puppies - 1)
3/7 x 4/6 = 0.2857
To learn more about probability, please check: https://brainly.com/question/13234031
#SPJ1