In our Discrete Maths class of 100 students, 40 students own a laptop, 25 students own a tablet and 15 students own a laptop and a tablet. Evaluate the probability that a student chosen at random: (a) owns a tablet or a laptop. (b) owns a tablet or a laptop, but not both. (c) owns a tablet, given that they own a laptop. (d) does not own a laptop, given that they own a tablet.

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In our Discrete Maths class of 100 students, 40 students
own a laptop, 25 students own a tablet and 15 students own a laptop and a tablet.
Evaluate the probability that a student chosen at random:
(a) owns a tablet or a laptop.
(b) owns a tablet or a laptop, but not both.
(c) owns a tablet, given that they own a laptop.
(d) does not own a laptop, given that they own a tablet.
Transcribed Image Text:In our Discrete Maths class of 100 students, 40 students own a laptop, 25 students own a tablet and 15 students own a laptop and a tablet. Evaluate the probability that a student chosen at random: (a) owns a tablet or a laptop. (b) owns a tablet or a laptop, but not both. (c) owns a tablet, given that they own a laptop. (d) does not own a laptop, given that they own a tablet.
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