One year consumers spent an average of ​$23 on a meal at a restaurant. Assume that the amount spent on a restaurant meal is normally distributed and that the standard deviation is ​$5.
A) What is the probability that a randomly selected person spent more than ​$​25?
B) What is the probability that a randomly selected person spent between ​$12 and ​$​21?
C) Between what two​ values, symmetrically distributed around the​ mean, will the middle ​95% of the amounts of cash spent​ fall?