Facebook According to Social Media Today, as of April
Chapter 12, Problem 12.1.649(choose chapter or problem)
Facebook According to Social Media Today, as of April 2010, 41.6% of Americans had a Facebook account. a) Write the binomial formula to determine the probability that exactly x out of n randomly selected Americans had a Facebook account. b) Write the binomial formula to determine the probability that exactly 5 out of 20 randomly selected Americans had a Facebook account. Do not evaluate.
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