The average American man consumes 9.7 grams of sodium each day. Suppose that the sodium consumption of American men is normally distributed with a standard deviation of 1 grams. Suppose an American man is
randomly chosen. Le X = the amount of sodium consumed. Round all numeric answers to 4 decimal places where possible.
b. Find the probability that this American man consumes between 10.5 and 11.2 grams of sodium per day? ____
c. The middle 20% of American men consume between what two weights of sodium?
Low:
High: