What is probability that a randomly chosen bill is from east

Reference no: EM131369478

The following table gives numbers of claims at a large insurance company by kind and by geographic region.

	East	South	Midwest	West
Hospitalization	75	128	29	52
Physician's visit	233	514	104	251
Outpatient treatment	100	326	65	99

Compute column totals and row totals. What do they mean?
a. If a bill is chosen at random, what is the probability that it is from the Midwest?

b. What is the probability that a randomly chosen bill is from the East?

c. What is the probability that a randomly chosen bill is either from the Midwest or from the South? What is the relation between these two events?

d. What is the probability that a randomly chosen bill is for hospitalization?

e. Given that a bill is for hospitalization, what is the probability that it is from the South?

f. Given that a bill is from the East, what is the probability that it is for a physician's visit?

g. Given that a bill is for outpatient treatment, what is the probability that it is from the West?

h. What is the probability that a randomly chosen bill is either from the East or for outpatient treatment (or both)?

i. What is the probability that a randomly selected bill is either for hospitalization or from the South (or both)?

Reference no: EM131369478

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