A box of miniature cars contains 6 red cars, 5 blue cars, and 7 black cars. One car is drawn at random. What is the probability that it will be either blue or black?
mervmalicdem
dapat ang answer is P(blue or black) = 2/3
mervmalicdem
Solution: total cars = 18, then P(blue) = 5/18, tapos P(black) = 7/18. So, P(blue or black) = 5/18 + 7/18. Therefore, P(blue or black) = 12/18 or 2/3
Answers & Comments
Answer: