Need help with the following math problem

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Mathematics

Description

A television commerical claims that 1 out of 5 of "today's marriages" began as an online relationship. Assuming that this is true, calculate the following for eight randomly selected "today's marriages"

A. the probability that at least one began online

B, the probability that 2 or 3 began online

C. What is the probability that exactly one began online?

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Explanation & Answer


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