A bag contains 18 black and 20 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
There are ‘x’ white balls and 5 black balls in a jar. If the probability of picking a white ball is 2/3, then calculate the probability that the two...
If two socks are chosen at random, what is the probability that either all are green or all are black socks?
Three persons. A, B and C. are given the same puzzle to solve. The probability that A, B and C will solve the puzzle is. 3/5., 2/3., and 1/4respectively...
Determine the probability that when a hand of 7 cards is drawn from a box of 52 cards, it consists at least 3 kings?
In a deck of 52 cards, what is the probability of drawing either a king or a heart?
A bag contains 20 white and some black balls. If the probability of drawing a black ball from the bag is 2.5 times that of drawing a white ball, ...
A bag contains 24 white and some black balls. If the probability of drawing a black ball from the bag is 1.5 times that of drawing a white ball, ...
In a box, there are three different colour cubes: blue, green, and orange. The sum of the number of green and blue cubes in the box equals the number of...
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?