Among 420 randomly selected employees at a company, the mean number of hours of overtime worked per month is 10 hours and the standard deviation is 1.6. what is the margin of error, assuming a 99% confidence level?

A bag contains 10 red marbles 15 yellow marbles 5 green marties and 20 blue martiles. Five marbles are drawn from the What is the approximate probability that exactly two of the five are blue?

A furniture store is having a sale on couches. If a couch that originally costs $3400 is on sale for 15% off. What is the actual cost of the couch?

The poster is 25cm wide. how high is the poster

The three sides of a triangle measures 9.97

Shawn cuts a 10-meter string into 12 equal pieces. How long is each piece of string?

Create the explicit formula for the sequence: 2, 8, 14,. (Hint: Write your formula and then simplify it.)

Cristina is painting the playhouse she made for her sister. She intends to paint only the outside of the house that does not include the floor. The paint she chose must be purchased in full gallons. Each gallon covers 200ft² and costs $15.

Solve the equation. - 4 (3 - 2x) + 2x = 2x - 8 A) x = 2 B) x = - 1 C) x = 1 / 2 D) x = 1 / 3

Theta is an acute angle and sin theta and cos theta are given. Use identities to find tan, csc, sec, and cot. Where necessary, rationalize denominators. Sin theta = 8/17, cos theta = 15/17. a. tan theta = ? b. csc theta = ? c. sec theta = ? d.

Peter measured the width of one cardboard strip as 3 1/4 ft. A second cardboard strip measured 3 2/3 ft in width. Estimate the combined width of the cardboard strips. a. 12 ft b. 6 ft c. 5 ft d. 7 ft