3. complete and detailed solutions to the following questions. a) How many students have a laptop or a smartphone? b) What is the number of students who has neither a laptop nor a smartphone? c) Determine the probability of students with smartphone P(S) and probability of students with Laptop P(L). d) Show the probability of randomly selecting a student who has either a laptop or a smartphone. e) What is the probability of randomly choosing a student who doesn't have any learning devices?

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