Probability Simple, Complement and Sample Space

Which of the following will correctly complete the following statement. Probability, when written as a fraction, will . . .

• never be equal to zero

• sometimes be greater than 1

• always be from 0 to 1

• will never be equal to 1

A number that indicates the likelihood of an outcome happening is the definition of ___.

• outcome

• probability

• sample space

• experiment

An outcome with the probability of 19/20 would be described as _.

• likely

• unlikely

• equally likely as not

• certain

What is the definition of the complement of a probability of an event happening?

• there is no such thing as the complement of probability

• the same as the probability of the event happening

• double the probability of the event happening

• the probability of the event not happening

What is the definition of sample space?

• the set of all possible outcomes of a simple or compound experiment

• the space in which you write a probability answer

• the set of all the prime numbers

• the space between the probability of 0 and 1

What is the definition of "likely" when dealing with probability?

• having the probability less than 1

• the outcome that is the most popular

• having the probability greater than 1/2

• having the probability less than 1/2

What is the definition of "unlikely" when dealing with probability?

• having a probability of less than 1/2

• having a probability of more than 1/2

• having a probability equal to 1/2

• having a probability less than 1

How is the following statement read?

p(black, heads) = 1/6

• a proportion finding the missing number equal to 1/6

• the probability of getting black and then tails is 1/6

• the probability of having black heads from eating too much grease is 1/6

Event A has a probability of 0.3. What is the probability of the complement of Event A?

• 30%

• 3/100

• 7/100

• 0.7

What is sample space?

• All of the Outcomes

• What Will Happen

• What Can Happen

• What I want to Happen