An Amazon warehouse store has 400 tablets. 250 of them are Kindles and the other 150 are
various other types. 140 of the Kindles are black and the rest are white. 80 of the other
tablet types are black and the rest are white. If a tablet is selected at random, what is the
probability that it will be black or be a Kindle?
1 answer
The probability that a tablet will be black or a Kindle is 220/400, or 0.55.
1 answer