Find the critical value zα/2 that corresponds to the given confidence level. 97%

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

What is the length of the unknown leg in the right triangle ?

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles