The monthly income of trainees at a local mill are normally distributed With a mean of $1100 and a standard deviation of $150. What percentage of the trainees are in less than 725 a month rounded to two decimal places

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?

Pls the last one and it has to be like number 6