Americans consume the equivalent 22.2 teaspoons (tsp) of sugar per day, on average, with a standard deviation of 6.5 tsp. Assuming sugar consumption follows a normal distribution respond to the following:
1) What is the probability that a randomly selected American will consume more than 30 tsp in a day?
2)What proportion of Americans consume between 20 and 25 tsp in a day?
3) If you were to consume 10 tsp of sugar today, approximately what percentile would that place you in?
4) What is the 95th percentile of daily sugar consumption?