Simple Probability

Front

What is experimental probability?

Back

Experimental probability is the probability determined by conducting an experiment and recording the outcomes. It is calculated as the number of successful outcomes divided by the total number of trials.

Front

What is theoretical probability?

Back

Theoretical probability is the probability calculated based on the possible outcomes in a perfect scenario, without conducting any experiments. It is determined by the formula: P(Event) = Number of favorable outcomes / Total number of possible outcomes.

Front

If a coin is flipped 20 times and results are recorded, what type of probability is this?

Back

Experimental probability.

Front

In a poll of 25 people, if 4 people chose 'Clothes' as their favorite gift, what is the probability of selecting 'Clothes'?

Back

The probability is 4/25.

Front

What is the probability of pulling out a red skittle from a bag containing 36 skittles with 12 red?

Back

The probability is 12/36 or 1/3.

Front

What is the probability of pulling out a red skittle OR an orange skittle from a bag with 12 red and 5 orange skittles?

Back

The probability is 17/36.

Front

In a jar with 2 pink, 6 red, and 4 blue marbles, what is the probability of picking a red or blue marble?

Back

The probability is 5/6.

Front

If a box contains 30 balls with a probability of drawing a white ball as 1/3 and a black ball as 2/5, how many red balls are there?

Back

There are 8 red balls.

Front

What is the formula for calculating probability?

Back

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

Front

What does it mean if the probability of an event is 0?

Back

It means the event is impossible and will not occur.