Multiple Choice Please select the best answer and dick submi
     Multiple Choice: Please select the best answer and dick \"submit. If a coin is flipped 20 times and a head comes up 9 times, what is the relative frequency of a head coming up? 0.35 0.40 0.45 0.50 
  
  Solution
The relative frequency is “How often something happens” divided by “All outcomes”. Here, the relative frequency of a head coming up is 9/20 = 0.45. The answer is C.

