I have just started learning Discrete Structures and it would be really helpful

Question

I have just started learning Discrete Structures and it would be really helpful if you could please include a description.

Thank you so much.

8. The screens used for a certain type of cell phone are manufactured by 3 companies, A, B, and C. The proportions of screens supplied by A, B, and C are 0.5, 0.3, and 0.2, respectively, and their screens are defective with probabilities 0.01, 0.02, and 0.03 respectively. Given that the screen on such a phone is defective, what is the probability that Company A manufactured it'? 15. Let A and B be events with 0

Explanation / Answer

for second answer

p<b> must occur

because p<a> is less than p<b>

since we want a and b to occur

p<aub> should not occur

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