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Akber Choudhry · Answer 1 · 2021-10-10T18:44:51+0000

Answer:

Probability =
(22)/(31)

Explanation:

Number of students working part time, living in dorm = 22

Total number of students working part (either living in dorm or not in dorm)

= 22 + 9

= 31

Probability of the students working part time and living in dorm,

P =
$\frac{\text{Favorable event}}{\text{Total outcomes}}$ =
$\frac{\text{Students working part time either living in dorm}}{\text{Total number of students working part time either living in dorm or not}}$

P =
(22)/(31)

Therefore, probability of the students chosen that he/she is working part time given that he/she lives in dorm is
(22)/(31) .

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