Question: Sixty percent of the students at a certain school wear

Sixty percent of the students at a certain school wear neither a ring nor a necklace. Twenty percent wear a ring and 30 percent wear a necklace. If one of the students is chosen randomly, what is the probability that this student is wearing
(a) A ring or a necklace?
(b) A ring and a necklace?

View Solution:


Sale on SolutionInn
Sales0
Views115
Comments
  • CreatedOctober 22, 2015
  • Files Included
Post your question
5000