So based on the Central Limit Theorem and rules the normal distribution, we know that approximately 95% of sample means will be within 2 (1.96 to be more exact) standard errors of the true population mean.
To apply for a Delaware driver's license, you must: Be at least 18 years old or have met the graduated driver's licensing (GDL) requirements. Have held your learner's permit for at least 10 days.
CDL's may only be renewed within 30 days prior to their expiration. There is a Delaware Commercial Driver's manual which covers the CDL requirements, CDL procedures, testing requirements, and the basic knowledge required to obtain a CDL license. The manual is available for no cost at any Division facility.