Sample Spaces and Probability (VCE SSCE Mathematical Methods): Quizzes

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Sample Spaces and Probability
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What Greek letter is used to denote the sample space in probability?

ε\varepsilon (epsilon)

What is a sample space?

The complete set of all outcomes

Which type of sample space has outcomes forming a continuous range?

Continuous sample space

What is an event in probability?

A subset of the sample space

For equally likely outcomes, what is Pr(A)\text{Pr}(A) equal to?

n(A)n(ε)\frac{n(A)}{n(\varepsilon)}

What must the sum of probabilities of all outcomes equal?

11

What is the formula for the probability of the complement of event AA?

Pr(A)=1Pr(A)\text{Pr}(A') = 1 - \text{Pr}(A)

When two coins are tossed, what is the sample space?

{HH,HT,TH,TT}\{HH, HT, TH, TT\}

A fair die is rolled. What is Pr\text{Pr}(even number)?

12\frac{1}{2}

If Pr(A)=27\text{Pr}(A) = \frac{2}{7}, what is Pr(A)\text{Pr}(A')?

57\frac{5}{7}

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