Suppose that you have 1,500 FB friends and you want to survey them to find the number of hours they consumed in their social media per day. Compute for the sample size if you decide to have a 5% margin of error. (Solving Formula and Ungrouped Frequency Distribution)

Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.