Use the information in ANNEXURE A to answer the following questions
2.1.1 Determine, as a percentage, the probability of randomly selecting a South African who participated in the Weigh-Less programme and lost more than 20 kg. (3)
2.1.2 Thembeka stated that the median weight loss of all the males was 33,8 kg. Verify, showing ALL calculations, whether her statement is valid. (7)
2.1.3 Compare, by calculating, the interquartile ranges of the males and females who participated in these two weight-loss programmes and comment on it. (5)
2.2
Use TABLE 3 to answer the following questions.
2.2.1 Calculate the total mass of sugar (in grams) that will be consumed by ONE person in ONE year by drinking TWO 330 mc cans of cola daily. (4)
2.2.2 Calculate the difference in the total number of calories that Thembeka consumes after changing her daily drinks intake. (5)
2.2.3 Thembeka stated, ‘By changing my daily drinks intake I will now consume only 50% of my previous daily amount of sugar.’
Verify, showing ALL calculations, whether Thembeka’s statement is valid. (6)
[30]