SOLUTION: The following table shows passengers of the Titanic, what class cabin they were in and whether they survived. First class/ Second class/ Third class/ Crew/employees

Algebra ->  Probability-and-statistics -> SOLUTION: The following table shows passengers of the Titanic, what class cabin they were in and whether they survived. First class/ Second class/ Third class/ Crew/employees       Log On


   



Question 907321:
The following table shows passengers of the Titanic, what class cabin they were in and whether they survived.
First class/ Second class/ Third class/ Crew/employees
Survived 203 / 118 / 178 / 212

Died 122 / 167 / 528 / 673
Calculate the probability a person was in First class or died.

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi,
Recommend chart/Totals
1st 2nd 3rd Other Total
lived 203 118 178 212 711
died 122 167 528 673 1490
Total 325 285 706 885 2201
P(1st 0r died) = 325/2201 + 1490/2201 - 122/2201