Comparing the Probability of Events: Is the Difference Greater Than Expected?

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SUMMARY

The discussion centers on comparing the probabilities of four events: Event 1 (0.81), Event 2 (0.82), Event 3 (0.01), and Event 4 (0.02). It concludes that Event 4 occurs twice as often as Event 3, while Event 2 has a marginally higher probability than Event 1. Specifically, the ratio of probabilities for Event 4 over Event 3 is 2:1, whereas the ratio for Event 2 over Event 1 is approximately 82:81. This establishes that the likelihood of Event 4 occurring is greater than that of Event 2 when comparing their respective probabilities.

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If two events 1 and 2 have probability 0.81 and 0.82

And another two events, 3 and 4 have probability 0.01 and 0.02

Would it be correct to say that (event 4 will occur more often than event 3), compared with (event 2 more likely to occur than even 1)?

The comparison is 'the more likely'. To repharase the question. Is the (likliness of event 4 over event 3) greater than the likliness of (event 2 over event 1)?

I hope this question makes sense.
 
Last edited:
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Yes, you are definitely correct.

Event 4 has exactly twice the probability of Event 3.
Event 2 has almost the same probability as Event 1.

Event 4 over Event 3 = 2/1
Event 2 over Event 1 = 82/81

Hope that helps.

Simon
 
Last edited:

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