Finding A probability
In a bag, there are 5 red balls, 3 blue balls, and 2 green balls. If one ball is randomly selected from the bag, what is the probability that it is green?
2/10
A student flips a fair coin 50 times and records the results. If the coin lands on heads 30 times, what is the experimental probability of getting heads?
3/6
The probability of it raining tomorrow is 0.4. What does this probability indicate?
40%
In a class of 30 students, 18 have a dog as a pet. If a student is chosen at random, what is the probability that the student has a dog?
3/5
In a deck of cards, what are the odds in favor of drawing a red card?
1
A standard deck of cards contains 52 cards with 4 suits (hearts, diamonds, clubs, and spades), with each suit containing 13 cards (Ace through King). If one card is drawn at random, what is the probability that it is a heart?
1/4
In a basketball game, a player shoots 20 free throws and makes 15 of them. What is the experimental probability of the player making a free throw?
3/4
A box contains 10 chocolates, of which 4 are milk chocolates and 6 are dark chocolates. If one chocolate is selected at random, what is the probability that it is dark chocolate? PRECENT
60%
A jar contains 60 red marbles, 30 blue marbles, and 10 green marbles. If a marble is chosen at random, what is the probability that it is red? DECIMAL
0.6
A spinner is divided into 8 equal sections, numbered 1 through 8. What are the odds against landing on a multiple of 3?
3
A jar contains 20 marbles, of which 4 are red, 6 are blue, and the rest are yellow. If one marble is drawn at random, what is the probability that it is yellow?
1/2
A group of friends conducts an experiment by rolling a six-sided die 100 times. They record that the number 3 comes up 20 times. What is the experimental probability of rolling a 3?
1/5
In a game of chance, the probability of rolling a 6 on a fair six-sided die is 1/6. What does this probability represent?
1/6
A basketball team has a 60% chance of winning each game they play. If they have 5 games scheduled this month, what is the probability that they will win at least 3 of them?
13.824%.
In a class of 25 students, 12 are boys and 13 are girls. What are the odds in favor of selecting a girl from the class?
13:12
A class consists of 25 students, of which 15 are boys and 10 are girls. If a student is chosen randomly from the class, what is the probability that it is a boy?
15/25
A spinner is divided into 8 equal sections, numbered 1 through 8. It is spun 50 times, and the number 5 comes up 12 times. What is the experimental probability of landing on 5?
6/25
A spinner is divided into 6 equal sections, numbered 1 through 6. What are the odds against landing on a prime number?
3/6
A student is taking a multiple-choice test with 10 questions, each with 4 possible answers. If the student guesses randomly on each question, what is the probability that they will get at least 7 questions correct?
2.7538%.
A bag contains 5 green marbles and 3 blue marbles. What are the odds against selecting a green marble?
5/3
An experiment involves rolling a fair six-sided die numbered 1 through 6. What is the probability of rolling an even number?
1/2
A student conducts an experiment by randomly selecting a card from a standard deck of 52 cards, recording whether it's a red card or not. After 100 trials, the student finds that 30 cards selected were red. What is the experimental probability of selecting a red card?
3/10
A box contains 5 white socks and 3 black socks. What are the odds against selecting a white sock?
5:3
In a city, 70% of the days in April have rain. If it rained yesterday and the day before yesterday, what is the probability that it will rain again tomorrow?
93.29%.
A six-sided die is rolled. What are the odds in favor of rolling a number less than 5?
2/3