(Solved): A journal article reports that a random sample of 25 antivirus software packages was used as a bas ...

A journal article reports that a random sample of 25 antivirus software packages was used as a basis for calculating a $98\%$ t-based confidence interval for the true mean annual cost of an antivirus software in UAE. The resulting interval was (AED 234 , AED 294). Find the margin of error (E) of the $98\%$ t-based confidence interval. If needed, round your answer to one decimal place.