Question 6.158

60. Online Dating. The Pew Research Center reported in 2014 that 22% of 25- to 34-year-olds have used online dating. Suppose we select fifteen 25- to 34-year-olds at random.

  1. Explain why we cannot use the binomial table to solve probability problems for this binomial experiment.
  2. Find the probability that the sample contains exactly three 25- to 34-year-olds who have used online dating.
  3. Find the probability that the sample contains at most three 25- to 34-year-olds who have used online dating.