Piece of fabric that is 5 in by 13 inches contains 6500 threads of cotton what is the density of the piece of fabric and turn it in terms of threads per square inch

Let the mean of the population be 38 instances of from 6" - 9" hatchings per nest, and let the standard deviation of the mean be 3. what sample mean would have a confidence level of 95% or a 2.5% margin of error?

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.

Which equation can be solved to find x the measure of jk in the apex