Unit 1 practice questions

Front

What is the probability of choosing two pears from a fruit basket containing 9 apples, 3 bananas, 7 oranges, 5 pears, and 1 grapefruit?

Back

1/30

Front

How many outfits can be made with 5 pairs of jeans, 8 t-shirts, and 2 pairs of shoes?

Back

80

Front

What does the term 'union' mean in probability?

Back

The union of two sets includes all elements that are in either set.

Front

What is the probability of a spinner landing on green if it has 3 green sections out of 9 total sections?

Back

1/3

Front

What is the sample set of odd-numbered marbles drawn from a jar containing marbles numbered 1 to 5?

Back

{1, 3, 5}

Front

Define '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 the probability of an event?

Back

Probability = (Number of favorable outcomes) / (Total number of outcomes)

Front

What is a sample space in probability?

Back

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

Front

Explain the concept of 'combinations' in probability.

Back

Combinations refer to the selection of items from a larger set where the order does not matter.

Front

What is the difference between 'permutations' and 'combinations'?

Back

Permutations consider the order of selection, while combinations do not.