Question 188097
The table shows the results of a survey of 1000 new or used car buyers of a certain model car. 
....Satisfied   NotSatisfied Total

New.. 300........... 100..... 400

Used..450........... 150..... 600

Total 750........... 250.... 1000 

S= event “satisfied” N= event brought a new car” 
a. P (N│S) = 300/750
b. P (N∩S) = 300/1000
c. P(N│S’) = 100/250
d. P (N’│S)= 450/750 
e. P(S) = 750/1000
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Cheers,
Stan H.