In a random sample of six microwave ovens, the mean repair cost was $80.00 and the standard deviation was $11.00. assume the population is normally distributed and use a t-distribution to construct a 90% confidence interval for the population mean mμ. what is the margin of error of mμ? interpret the results.

For a read-a-thon, jay and odhràn each started reading a book at the same time and continued reading for several hours. jay's book had 278 pages, and he read 55 pages per hour. odhràn's book had 238 pages, and he read 45 pages per hour. after how many hours did they have the same number of pages left, and how many pages were left?

Determine the volume of a cylinder bucket if the diameter is 8.5 in. and the height is 11.5 in.

Abe is a triangle. can you use the sss postulate or the sas postulate to prove triangle abc = triangle aed? by sss only neither apply both apply by sas only