The weight of an ice-cream shop's sundae special is known to be normally distributed with a mean of 0.5 pounds and a standard deviation of 0.1 pounds.
A) What is the probability that you get an ice cream sundae special that weighs more than 0.75 pounds?
B) What is the probability that a child, her father, and her mother (sample of 3) have ice cream sundae specials that average more than 0.75 pounds?
C) Why are the answers to parts A and B different?