Answers VA-Probability and Statistics Scope of InferenceQuestion 3

3

AssignmentMultiple Choice

Scope of Inference

Question 3 • VA-Probability and Statistics

What can we conclude from this graph?

Answer

A

This coin appears to be fair because it appears that the proportion of heads is approximately 0.5.

B

The probability of obtaining heads cannot be estimated if we observe a regular and predictable pattern over a long series of trials.

C

This coin appears to be unfair because the proportion of heads fluctuates greatly.

D

If the coin is not fair, we would expect to see the long-run proportion of heads to approach a value other than 0.5.

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