An accounting firm annually monitors a certain mailing services performance. one parameter of interest is the percentage of mail delivered on time. in a sample of 306,000 items mailed between dec. 10 and mar. 3 - the most difficult delivery season due to bad weather and holidays - the accounting firm determined that 269,700 items were delivered on time. use this information to make a statement about the likelihood of an item being delivered on time by that mailing service.
Assuming a confidence level of 95%, the likelihood of an item being delivered on time(when it was mailed between Dec. 10 and Mar. 3) is in the interval ____ , ____
Round to four decimal places as needed.