(p. 234). Of the 6,010 respondents aged 16 years and above who took part in the survey, 75% do regular sport and outdoor activities. Suppose a sports teacher at a Norwegian school randomly samples 280 of her students aged 16 and above and claims that more than 200 of them regularly take part in sports and outdoor activities outside of school hours.

a. In what scenario is the teacher’s claim likely to be true?

b. In what scenario is the teacher’s claim likely to be false? 4.110 Average time spent on Facebook. BroadbandSearch.net provides information on internet and television providers across the United States. According to a post on the website about Internet statistics, on average Americans spend 58 minutes per day on Facebook. Assume that the distribution of average time an American spends on Facebook per day can be approximated by a normal distribution with standard deviation