Assume that the salaries of elementary school teachers in the United States have a mean of $32,000 and a standard deviation of $3000. If 100 teachers are randomly selected, determine the probability that their mean salary is greater than $32,500. 0.3312 0.9525 0.1312 0.0475 0.4338

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary

The head librarian at the library of congress has asked her assistant for an interval estimate of the mean number of books checked out each day. the assistant provides the following interval estimate: from 740 to 920 books per day. what is an efficient, unbiased point estimate of the number of books checked out each day at the library of congress?

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4