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Probabilty & Conditional Probability: Insurance claims

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The following table gives the number of claims at a large insurance company by kind and geographical region.
East South Midwest West Totals

Hospitalization 102 98 39 62 301

Physician's Visit 263 514 120 351 1248

Outpatient Treatment 100 226 65 99 490

Totals 465 838 224 512 2039

(A) Referring to the above table, if a bill is chosen at random, what is the probability that it is either from the East or from the West?
(B) Referring to the above table, given that the bill is from the Midwest, what is the probability that it is for a Physician's Visit?

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Solution Summary

The solution provides step-by-step method for the calculation of probabilities and conditional probabilities. Formula for the calculation and Interpretations of the results are also included.

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