Q1) Group of students were asked if they carry credit card. Responses are given in the table.
|
Class
|
Credit Card Carrier
|
Not a Credit Card Carrier
|
Total
|
|
Freshman
|
14
|
46
|
60
|
|
Sophomore
|
17
|
23
|
40
|
|
Total
|
31
|
69
|
100
|
i) If student is chosen at random, determine the probability that he or she is sophomore and owns a credit card.
ii) If student is chosen at random, determine probability that he or she is freshman given that the student owns credit card.