A recent survey examined the use of social media platforms. Suppose the survey found that there is a 0.62 probability that a randomly selected person will use Facebook and a 0.27 probability that a randomly selected person will use LinkedIn. In addition, suppose there is a 0.25 probability that a randomly selected person will use both Facebook and LinkedIn. (a) What is the probability that a randomly selected person will use Facebook or LinkedIn? (b) What is the probability that a randomly selected person will not use either social media platform?

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A: We have to find given probability.

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A: Formula : P(A') = 1 - P(A)

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A: It is an important part of statistics. It is widely used.

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A: Given: p = 0.2 q = 1 - p = 1 - 0.2 = 0.8 and  r = 3

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A: Given Data population proportion,p = 0.6 sample size n = 600