Unit 8 Vocab Quiz

A list of every possible outcome that could occur in a chance environment represent the ______ _____ of an event.

Match the following

Groups:

(a) Estimated Probability

,

(b) Theoretical Probability

,

(c) Conditional Probability

,

(d) Experimental probability

• A probability estimated by doing an experiment many times

• Probability determined using knowledge about the situation to calculate the probability

• Probability based on repeatedly performing an experiment, estimating the probability each time.

• The probability that one event occurs under the condition that another event occurs

A set of one or more outcomes in a sample space.

Relative frequency is

Organize these options into the right categories

Groups:

(a) Two-Way Table

,

(b) Relative Frequency Table

• 
• 
• Way to organize the frequencies from two categorical variables as percentages of the whole group

• Way to organize data from two categorical variables to investigate the association between them

Organize these options into the right categories

Groups:

(a) Intersection

,

(b) Union

,

(c) Complement

• The set of outcomes that are both in event A and in event B

• The set of outcomes that are in either event A or event B.

• The set of outcomes that are not in event A

What rule is this?

Given events A and B, the probability of events A and B happening together is given by

P(A and B) = P(A|B) * P(B)

A variable that takes on values that can be divided into groups or categories.

Organize these options into the right categories

Groups:

(a) Dependent Events

,

(b) Independent Events

• Picking a crayon from a box and not replacing it before picking another

• two events from the same experiment for which the probability of one isn't affected by the other

• Picking a crayon from a box and replacing it before picking another

• two events from the same experiment for which the probability of one event depends on the other