Geo Unit 8 Pre-Test probability

Front

What is the intersection of two sets F and T if F = {f, a, c, e, b, o, k} and T = {y, o, u, t, b, e}?

Back

F ∩ T = {b, e, o}

Front

How many students walk and take the bus if the total number of students is 58?

Back

58

Front

How many ways can a club select a president, vice president, and a secretary from a group of 5 people?

Back

60

Front

If a student group sells 500 raffle tickets for $2 each, what is the expected loss if the top prize is $100, second prize is $50, and there are five $20 prizes?

Back

Lose an average of $1.50

Front

What is the probability of tossing a coin four times and getting tails each time?

Back

1/16

Front

Define the term '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

P(E) = 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

What does it mean for two events to be independent?

Back

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

Front

What is the formula for 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.