ements The following frequency histogram represents the responses of 500 survey recipients to the question "How many hours do you spend per week on social media?" Frequency 150 125 100 75 50 25 0 0 1 3 Number of hours 4 5 NO 6 7 a) How many people surveyed spent less than 3 hours on social media per week? b) What percentage of people surveyed spent 5 or more hours on social media per week? c) Describe the modality of this histogram. Type either Unimodal, Bimodal, or Uniform