Theoretical Probability Sample Space

P(not A) = 

• 6/8

• 3/4

• 2/8

• 1/4

Which shows the sample space for flipping two coins? 
H = heads, T = tails

• H, T

• HH, HT, TH, TT

• HH, TT

• HH, TT, TT, HH

The sample space tree diagram for a team of three students is shown.  What is the probability that the team would consist of at least 2 girls?

• ½

• ⅜

• ¾

• ⅙

Which statement below is true?

• The theoretical probability of rolling a 3 is greater than the experimental probability of rolling a 3

• The theoretical probability of rolling a 3 is less than the experimental probability of rolling a 3

• The theoretical probability of rolling a 3 is equal to the experimental probability of rolling a 3

• You cannot determine the theoretical probability.

The extent to which something is likely to occur is known as - 

• sample space

• an event

• probability

• data

The number of ways an event can occur divided by the total number of outcomes is known as - 

• an event complement

• experimental probability

• an event

• theoretical probability

A set of all possible outcomes is known as - 

• a list

• a complement

• a sample space

• an event

If a coin is tossed 3 times, how many possible outcomes are in the sample space?

• 6

• 8

• 3

• It depends

Which of the following methods is NOT a good tool for determining sample space?

• tree diagrams

• area models

• organized lists

• guess and check

A measurement of the likelihood of an event or events occurring on a scale of 0 to 1 is called - 

• data

• luck

• probability

• trials