According to Pew Research Center, 71% of Internet users accessed video-sharing sites in August 2011. A random sample of 50 Internet users was selected. Using the normal approximation to the binomial distribution, what is the probability that exactly 36 people from this sample access video-sharing sites?

0.4286

0.3669

0.2005

0.1217

According to the Bureau of Labor Statistics, 8.3% of the labor force was unemployed in January 2012. A random sample of 100 employable adults was selected. Using the normal approximation to the binomial distribution, what is the probability that 10 or more people from this sample are unemployed?

0.3336

0.7019

0.5478

0.4761

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