• 9 Questions
What is the probability of an impossible event?
Is this event certain, possible or impossible?
If I throw a regular die, I will get a 7.
A box contains 7 white balls, 3 black balls, and 8 red balls. What is the probability that a ball drawn at random is black?
What is the probability of rolling a number divisible by 7 on a regular dice?
If there are three red balls and nothing else in a bag, is it certain, possible, or impossible that if I pick out a ball at random it will be red.
• 10 Questions
If a letter is randomly selected from the word “Valencia” what is the probability that it is “E”?
A card is drawn from a deck of cards numbered from 1 to 40. What is the probability that the number on the card is odd?
A card is drawn at random from a deck containing 5 cards numbered from 1 to 5. What is the probability that the chosen card has an even number?
A box contains 5 identical cards numbered 1, 1, 1, 1, and 2. What is the probability of randomly drawing a card with the number 1 on it?
A bag contains 8 white balls and 4 red balls. If a ball is chosen at random from the bag, what is the probability that the ball is white?