Question

Shortly before midnight, on April 14, 1912, the Titanic collided with an iceberg and sank.

Out of the 2197 passengers, 1488 died that night. The passengers’ summarized data are shown below:

	1st Class	2nd Class	3rd Class	Crew	Total
Survived	203	121	176	209	709
Died	118	165	531	674	1488
	321	286	707	883	2197

(Round all answers to four decimals)

Suppose a passenger is selected at random:

a) What is the probability that the passenger survived?  

b) What is the probability that the passenger was in 3rd class?

          

c) What is the probability that the passenger survived and was a crew member?

d) What is the probability that the passenger was not in 1st class?

e) “Surviving” is (Click to select)independent mutually exclusivedisjointdependent of “being in 1st class”.

f) Suppose the passenger selected was in 2nd class. What is the probability that the passenger died?

g) What is the probability that a surviving passenger was a crew member?

h) What is the probability that the passenger survived or was a crew member?

i) “Surviving” and “being in 3rd class” are (Click to select)independentnot disjointcontinuousmutually exclusive.

Answer 1