probability simple events

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 a simple event in probability?

Back

A simple event is an event that consists of a single outcome.

Front

How do you calculate the probability of a simple event?

Back

Probability of a simple event = (Number of favorable outcomes) / (Total number of possible outcomes).

Front

If there are 15 boys and 15 girls in a class, what is the probability of selecting a boy?

Back

1/2

Front

What does it mean if an event is 'impossible'?

Back

An impossible event has a probability of 0, meaning it cannot occur.

Front

What does it mean if an event is 'certain'?

Back

A certain event has a probability of 1, meaning it will definitely occur.

Front

What is the probability of spinning an even number on a spinner with numbers 1 to 8?

Back

50%.

Front

What is experimental probability?

Back

Experimental probability is the probability based on the actual results of an experiment.

Front

How do you find the experimental probability of an event?

Back

Experimental probability = (Number of times the event occurs) / (Total number of trials).

Front

What is the probability of pulling a green marble from a bag with 8 green marbles and 17 other marbles?

Back

8/25.