The probability that Leah will be accepted into program P is 60% and into program Q is 40%. Leah prefers program 'P' first, then 'Q', and finally 'R'. A...
A bag contains 25 white and some black balls. If the probability of drawing a black ball from the bag is 1.4 times that of drawing a white ball, find th...
A bag contains ‘x’ black balls, ‘x + 2’ red balls and ‘x + 1’ white balls. If the probability of drawing a white ball is 1/36 less than the ...
A bag contains 4 red, 5 blue and 6 green balls. Two balls are drawn at random without replacement. What is the probability that the two balls are of dif...
- Two letters are chosen at random without replacement from the set of English alphabets. Find the probability that both the letters are vowels.
In a box there are 6 red, 12 blue, and 18 yellow cards. One card is picked up randomly. What is the probability that it is neither red nor yellow?
There are 2 boxes. Box A contains 6 gums and 4 candies and Box B contains 3 gums and 7 candies. If a box is selected at random and 2 things are drawn ou...
A bag contains 5 red balls, 7 blue balls, and 8 green balls. Two balls are drawn at random. What is the probability that both balls drawn are of the sam...
A game consists of tossing three coins once and then rolling two dice. Find the probability of getting exactly two heads in the coin toss and a sum equa...
Two cards are drawn at random from a pack of 52 cards. What is the probability that either both are black or both are queens?