7.SP.7 & 7.SP.8 AIR Review Items

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 does it mean for events to be independent in probability?

Back

Two events are independent if the occurrence of one does not affect the probability of the other.

Front

How do you calculate the probability of an event?

Back

Probability of an event = (Number of favorable outcomes) / (Total number of outcomes).

Front

What is the probability of rolling a 3 on a standard six-sided die?

Back

1/6

Front

If a spinner has 4 equal sections, what is the probability of landing on any one section?

Back

1/4

Front

What is relative frequency in probability?

Back

Relative frequency is the ratio of the number of times an event occurs to the total number of trials.

Front

How do you find the probability of multiple independent events occurring?

Back

Multiply the probabilities of each individual event.

Front

What is the probability of drawing a red card from a standard deck of cards?

Back

1/2

Front

If a bag contains 10 red marbles and 5 blue marbles, what is the probability of drawing a red marble?

Back

2/3

Front

What is the complement of an event in probability?

Back

The complement of an event is the probability that the event does not occur.