Question Bank: The Mathematics of Maybe: Introduction to Probability

If a coin is flipped, what is the probability of it landing on heads?

Which of the following statements about probability is correct?

You draw a card from a standard 52-card deck. What is the probability of drawing a heart?

If there are 4 equally likely outcomes, what is the probability of any one specific outcome occurring?

When tossing two coins, what is the probability of getting at least one head?

In a bag with 5 red, 3 green, and 2 blue marbles, what is the probability of randomly selecting a green marble?

If a box contains 10 balls (4 red, 3 blue, 3 green), what is the probability of drawing a red ball?

Which of the following is an example of a random event?

What does it mean if an event has a probability of 0?

In a probability experiment, what does the term 'sample space' refer to?

If two events are independent, what can be said about their probabilities?

In a game of chance, the probability of winning is 0.2. What is the probability of losing?

What is the probability that a randomly selected day is a weekend (assuming a 7-day week)?

In a classroom, there are 12 girls and 8 boys. If one student is chosen randomly, what is the probability of selecting a boy?

In an experiment of tossing two coins, what is the probability of getting two tails?

Which of the following best describes 'subjective probability'?

If a die is rolled multiple times, what type of probability is observed when calculating the frequency of getting a '5'?

What is the Likelihood of rolling a 7 on a standard die?

If the probability of an event is 0.25, how likely is it that the event will occur?

Which of the following probabilities represents an event that is certain to occur?

If the probability of an event is 0.5, which statement is true?

How would you classify the event 'rolling a 3 on a standard die'?

What is the probability of flipping a coin and getting tails?

If the probability of an event is 0.8, which of the following can be inferred?

What does a probability of 0 indicate?

If there are 4 purple cards and 6 total cards, what is the probability of picking a purple card?

Which scenario reflects a probability of 0.1?

What does it mean if an event has a probability of 0.75?

If a marble bag contains 5 blue, 3 red, and 2 green marbles, what is the probability of picking a red marble?

Which of the following describes an event that is 'impossible' on the probability scale?

If the probability scale ranges from 0 to 1, which of the following properly identifies 'less likely'?

How would you interpret a probability of 0.4 on the probability scale?

An event has a probability of 0.9; what does this mean?

What is the total number of outcomes in the sample space when tossing a fair coin?

If a 6-sided die is rolled, which of the following represents the sample space?

When tossing two coins, how many outcomes are there in the sample space?

In a sample space S = {A, B, C}, how many events can be formed?

What is an example of an event when rolling a die?

If you roll a die and toss a coin, what is the sample space?

What is the theoretical probability of rolling a 4 on a standard die?

If you pick a fruit randomly from {Apple, Banana, Orange}, what is an event?

When considering outcomes for rain tomorrow, which represents a complete sample space?

How many possible outcomes are there when rolling two 6-sided dice?

In a sample space S = {Heads, Tails}, what fraction represents the outcome of getting Heads?

What does randomness imply in an experiment?

Which of the following describes an 'impossible event' in a sample space of rolling a die?

When you toss a fair coin, what is the probability of landing on heads?

What is the probability of rolling a number that is greater than 6 on a 6-sided die?

In a random experiment, which of the following is true?

If you have a sample space of outcomes for a game {Win, Lose}, what is the probability of losing?

Why is rolling a die considered a random experiment?

What is the sample space when tossing a coin thrice?

If the probability of an event happening is 0, what does it mean?

Which of the following demonstrates an example of randomness?

What is the probability scale range?

If there are 3 purple and 2 green cards in a deck, what is the probability of drawing a purple card?

What makes a coin toss a fair method in probability?

Which scenario best illustrates the concept of randomness?

What does it mean if the probability of an event is 0.5?

What aspect of randomness can be useful in games?

Which of the following events would be considered non-random?

Why is predicting rain considered a random event?

What is the term for a situation where outcomes cannot be predicted beforehand?

What is the range of probabilities for any event?

If a die is rolled, what is the probability of rolling a 3?

In a bag of 10 red and 5 blue sweets, what is the probability of picking a red sweet?

Which method is used to find the theoretical probability of an event?

What is the probability of drawing a heart from a standard 52-card deck?

If an event has a probability of 0.75, it is considered:

What is the difference between theoretical and experimental probability?

If you roll two dice, what is the probability of getting a sum of 7?

How do you calculate the experimental probability of an event?

In a random draw from a set of 20 cards (15 red and 5 black), what is the probability of not drawing a black card?

If a spinner is divided into 8 equal sections with numbers 1-8, what is the probability of landing on an even number?

A bag contains 3 blue, 3 green, and 4 red marbles. What is the probability of picking a green marble?

If you flip a biased coin that lands on heads 60% of the time, what is the probability of getting heads?

Choosing a marble from a bag with 7 red, 2 green, and 1 blue, what is the probability of not picking a red marble?

In an experiment of tossing a fair coin 100 times, if the head appears 45 times, what is the experimental probability of getting heads?

A die is rolled 60 times, and the number 4 appears 15 times. What is the experimental probability of rolling a 4?

What is the theoretical probability of rolling a 3 with a standard 6-sided die?

What is the sample space when a spinner with sections labeled 1, 2, 3, and 4 is spun?

If you pick a card from a standard deck of 52 cards, what is the probability of picking a heart?

If a spinner with even numbers from 2 to 8 is spun 50 times and lands on 6 a total of 10 times, what is the experimental probability of landing on an even number?

A bag contains 3 red balls and 2 blue balls. What is the theoretical probability of picking a blue ball?

During an experiment of rolling a six-sided die, if the outcomes were recorded as {1, 2, 3, 4, 5, 6}, which outcome has the least experimental probability assuming each occurred once?

What is the theoretical probability of rolling either a 1 or 2 on a 6-sided die?

If you draw a card from a standard deck 40 times and get an Ace 5 times, what is the experimental probability of drawing an Ace?

From the word 'PROBABILITY', what is the probability of selecting the letter 'B'?

When flipping a coin, what is the probability of getting tails if you flip it 80 times and get tails 38 times?

If you flip a fair coin, what is the probability of getting heads?

In an experiment, you roll a die 90 times and record the following outcomes: 1 occurred 10 times, 2 occurred 20 times, 3 occurred 15 times, 4 occurred 25 times, 5 occurred 10 times, 6 occurred 10 times. What is the experimental probability of rolling a 4?

In a fair die roll, what is the probability of not rolling a 1?

You toss two coins 100 times and get two heads 30 times. What is the experimental probability of getting two heads?

A die is rolled twice. What is the theoretical probability of rolling a sum of 7?

If a spinner has 5 equal sections numbered 1 to 5 and is spun 100 times, resulting in each number appearing an equal amount, how many times would you expect each number to appear?

What is the probability of drawing an ace from a standard deck of cards?

What is the sample space for rolling two six-sided dice?

What is the theoretical probability of rolling an even number on a 6-sided die?

If an experiment results in {red, blue, green, yellow} outcomes when drawing marbles from a bag, which represents the total possible outcomes?

When drawing a colored marble from a jar containing 6 red, 4 blue, and 2 green marbles, what is the probability of picking a red marble?

In a certain experiment, a biased coin has a probability of 0.7 for heads. If the coin is flipped 10 times, what is the expected number of heads?

Which event has a theoretical probability of 0?

If an event has a probability of 0.8, what can be said about its occurrence?

For a fair 6-sided die, which statement about probability is false?