Expert Evidence: Case Studies Part 8

Expert Evidence: Case Studies Part 8

Assessment

Interactive Video

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Social Studies, Business, Religious Studies, Biology

University

Hard

The transcript discusses the concept of likelihood ratio in DNA profiling, emphasizing its significance in determining the probability of a DNA profile originating from specific individuals compared to random individuals from the Australian population. It highlights a case involving Maxwell Hart and John Smith, explaining that the DNA profile is 900 million times more likely to occur from their biological material than from a random pairing. The transcript underscores the importance of using population sample data to calculate these probabilities accurately.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the minimum value of the likelihood ratio mentioned in the text?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

How much more likely is it for the DNA profile to occur from Maxwell Hart and John Smith compared to a random person from the Australian population?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What population sample is used to estimate the likelihood ratio?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the estimated likelihood ratio for the DNA profile if it originated from John Smith and another person?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What does the likelihood ratio indicate about the DNA profile in relation to the Australian population?

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