The amount of money in a savings account after t years is represented by the function f(t)=500(1.015)t. what does the value 500 represent in this situation? the amount of money in the savings account decreases by $500 each year. the amount of money in the savings account increases by $500 each year. the amount of money in the savings account is 500 times the amount of the previous year. the initial amount in the account is $500.

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?