A computer store has 75 printers of which 35 are laser printers and 40 are ink jet printers. if a group of 10 printers is chosen at random from the store, find the mean and variance of the number of ink jet printers.

Show me how to solve 48 divided by 3

Federal funding for the national center for missing adults declined from 1.5 million in 2002 to 1 million in 2006. Find the percent decrease in the federal funding from 2002 to 2006

What is the solution set to. the following system?{x+y=4, x^2+y^2=16}

How do I find the interest rate in a simple interest problem

What is three eights as a decimal

Caitlin creates an architectural blueprint of a rectangular dining room. The area of the actual dining room is 900 times as large as the area of the dining room on the blueprint. The length of the dining room on the blueprint is 4 inches.

Solve for x 8/9x = 32

Convert 41 degrees Fahrenheit to degrees Celsius

Jocelyn got 19 out of 25 questions correct on her test what is the percent of the questions she answered correctly

Lighting the Home Depot recently sold 8.5-watt LED bulbs for $ 3.97 each and 18-watt LED bulbs for $8.97 each. If river memorial hospital purchased 200 suck bulbs for a total of $1494, how many of each type did they purchase?