There are 9 students in a class with different heights. 5 students are 150 to 172 cm (mean lies between 150 and 172cm) and 1 student is more than 185 cm. Find the mean and standard deviation. So...

What was that (3D?) baby game app that was available on the iPod Touch first generation. I remember there being an adorable baby boy (standing up) that you could interact with. He had a big head and...

I made a large ice cream cone of a composite shape of a cone and hemisphere. If the height of the cone is 10, and the diameter of both the cone and the hemisphere is 6. What is the volume...

A small company produces an item that sells for \$20. It costs \$5 in materials to make each item. In addition the company has \$1900 in operating costs. The company would like to make a profit of...

Three golden retriever dogs have an average weight of 63 pounds. The heaviest dog weighs 5 pounds more than the dog with the middle weight. The lightest dog weighs 3 pounds less than the dog with...

A laptop computer is on sale at a 20% discount. After the discount and before any sales tax, the cost of the computer is \$360. Write an equation that could be used to find the original price,...

Last year, a toy company produced 90,000 board games. This was a 11.5% decrease in production over the previous year. Which equation can be used to find the production, p, for the previous year...

this question if 4 step problem solving

The first advertisement discussed in class states that the salespeople make an average of \$1,000 per week. Suppose there are nine salespeople. What would the ninth person need to earn for the mean...

3 times as many mints as almonds bars, 1/2 as many almond bars as caramels, 3750 cases of mints each month, How many caramel sold in 1 month?

For a monopolist's product, the cost function is c=.004q^3+20q+8000 and the demand function is p=550−6q. Find the profit-maximizing output.

A manufacturer can produce at most 90 units of a certain product each year. The demand equation for the product is p=1800q2−100q+1800 and the manufacturer's average-cost function is c=2/3q2−55q+10,000q...