Social log- ins involve recommending or sharing an article that you read online. According to Janrain, in the fourth quarter of 2013, 35% signed in via Facebook compared with 35% for Google. (Source: “Social Login Trends Across the Web for Q4 2013,” bit . ly/ 1jmLXRr.) If a sample of 10 social log- ins is selected, what is the probability that
a. More than 5 signed in using Facebook?
b. More than 5 signed in using Google?
c. None signed in using Facebook?
d. What assumptions did you have to make to answer (a) through (c)?

  • CreatedJuly 16, 2015
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