3. Daily water intake (including water used in drinks such as coffee, tea and juice) for Cana- dian adults follows a normal distribution with mean 1.82 litres and standard deviation 0.3 litres. (a) What is the probability that the mean daily water intake for a random sample of two Canadian adults is less than 1.61 litres? (b) What is the probability that the mean daily water intake for a random sample of 33 Canadian adults is greater than 1.76 litres? (c) What is the probability that the total daily water intake for a random sample of 47 Canadian adults is between 80.37 and 84.60 litres? (d) What is the probability that the mean daily water intake for a random sample of 16 Canadian adults is equal to 2.12 litres