These are the hourly salaries od all workers employed at the Manhattan Law Firm together with the probabilities

hourly salary in dollars 8 90 125 180 350
probability (distribution) of having such a salary .1 .2 .5 .1 .1

The standard deviation for this salary distribution is approximately

Write two subtraction equations that are equivalent to 5 + 12 = 17.

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

What is the greater volume 72 quarts or 23 gallons