TSI: Probability Questions

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 probability of rolling a number greater than 1 on a single die?

Back

5/6

Front

What is the probability of spinning green on a spinner divided into 4 equal sections?

Back

1/4

Front

What is the probability of rolling an odd number on a standard six-sided die?

Back

1/2

Front

How do you calculate the probability of an event?

Back

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

Front

If a teenager is randomly selected from a group of 170, what is the probability that they are aged 16-17 and do not have a summer job if 21 out of 85 do not have a job?

Back

21/85

Front

What is the probability of selecting a teenager aged 14-15 or having a summer job from a group of 170?

Back

64/85

Front

What is the total number of outcomes when rolling a die?

Back

6 (the numbers 1 through 6).

Front

What is the probability of rolling a 3 on a single die?

Back

1/6

Front

If the probability of an event is 0.25, what is the probability that the event does not occur?

Back

0.75 (1 - 0.25).