Probability

Front

What is Probability?

Back

Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 and 1.

Front

What is the formula for calculating Probability?

Back

P(Event) = (Number of favorable outcomes) / (Total number of outcomes)

Front

What is a Spinner in Probability?

Back

A spinner is a circular device divided into sections, each representing a different outcome, used to demonstrate probability.

Front

What does P(red) represent?

Back

P(red) represents the probability of landing on the red section of a spinner.

Front

What is a Prime Number?

Back

A prime number is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers.

Front

How do you calculate the probability of drawing a specific card from a set?

Back

P(card) = 1 / (Total number of cards)

Front

What is the probability of drawing a card numbered 8 from a set of cards numbered 1-10?

Back

P(8) = 1/10 = 10%.

Front

What is a sample space in Probability?

Back

The sample space is the set of all possible outcomes of a probability experiment.

Front

What is the probability of selecting a green or yellow marble from a sack containing 13 green, 4 black, and 7 yellow marbles?

Back

P(green or yellow) = (Number of green + Number of yellow) / (Total number of marbles) = (13 + 7) / 24 = 83%.

Front

What is the difference between independent and dependent events?

Back

Independent events do not affect each other's outcomes, while dependent events do.