QR - Final Review #3

Front

What is the total number of possible outcomes when rolling two balanced dice?

Back

36

Front

What is the probability of rolling a sum of 7 or 8 with two balanced dice?

Back

1/4

Front

How do you calculate the probability of an event using the empirical method?

Back

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

Front

In a survey, if 350 participants exercise regularly and 250 do not, what is the probability that the next participant does not exercise regularly?

Back

0.42

Front

How many different combinations are possible on a combination lock with 39 numbers, where numbers don't repeat and order matters?

Back

54834

Front

What is the probability of rolling a sum of 9 or 10 with two balanced dice?

Back

7/36

Front

Define probability in the context of rolling dice.

Back

Probability is the measure of the likelihood that an event will occur, expressed as a ratio of favorable outcomes to total outcomes.

Front

What is a Venn diagram and how is it used in probability?

Back

A Venn diagram is a visual representation of sets and their relationships, used to illustrate the overlap and distinct elements among different groups.

Front

If the probability of an event is 0.25, what is the probability of the event not occurring?

Back

0.75 (since P(not event) = 1 - P(event)).

Front

What is the formula for calculating combinations?

Back

C(n, r) = n! / (r!(n-r)!), where n is the total number of items, and r is the number of items to choose.