The ADJO Police Department has reviewed its pay scales. It determined that its personnel have an average salary of $35,000, with a standard deviation of $2500. Assuming that the salaries adhere to a normal distribution, what percentage of the personnel has a salary that exceeds $45,000? What percentage of personnel will not exceed $45,000? What percentage of the personnel has a salary between $30,000 and $40,000 per year?