FINISHED! EVERY YEAR 11 RESOURCE IS NOW AVAILABLE.
VCE Maths Methods Discrete Probability Mini Test 2
Adapted for Year 11. Unit 1 & 2.
Number of marks: 1
Reading time: 15 seconds
Writing time: 2 minutes
Section A – Calculator Allowed
Instructions
• Answer all questions in pencil on your Multiple-Choice Answer Sheet.
• Choose the response that is correct for the question.
• A correct answer scores 1; an incorrect answer scores 0.
• Marks will not be deducted for incorrect answers.
• No marks will be given if more than one answer is completed for any question.
• Unless otherwise indicated, the diagrams in this book are not drawn to scale.
The number of pets, \(X\), owned by each student in a large school is a random variable with the following discrete probability distribution.
| \(x\) | 0 | 1 | 2 | 3 |
| \(\Pr(X=x)\) | 0.5 | 0.25 | 0.2 | 0.05 |
If two students are selected at random, the probability that they own the same number of pets is
- A. 0.3
- B. 0.305
- C. 0.355
- D. 0.405
- E. 0.8
End of examination questions
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