Consumers on average spent $13.80 on a meal at a restaurant in 2020. The standard deviation of the amount spent on average was $2 during the same period. Answer the questions that follow, assuming that the amount spent on a restaurant meal is normally distributed.

1. (4 pts) What is the probability that people spent between $10 and $12 per meal?
2. (4 pts) Between what two values will the middle 70% of the amount spent per meal fall?

(5 pts) What amount of money is spent by at least 75% of the individuals on a meal? Would you be happy with an allowance of $15 per meal?