A sample of n = 100 scores is selected from a population with mu = 80 with sigma = 20. On average, how much error is expected between the sample mean and the population mean?

Danica and Darrelle have developed a lucrative business selling handmade silver bracelets. Darrelle makes the more complex bracelets and Danica makes the simpler ones.

3x+2 (5x-3) = 7 multi step equation

Solve the equation for x. x3 = 64

In triangle PQR, we have angle Q = 90 depress and sin P = 1/4. Find sin R. Answer is. 968 but how to I get there.

Write the ordered pair that represents YZ then find the magnitude of YZ Y (4,2) Z (2,8)

Dion shares 1/3 cup of nuts equally with his brother. How much does each person get?

At a golf tournament, David scored + 6, Celia scored - 16, and Xaiver scored - 4. One of these three players was the winner of the tournament. Who won the tournament?

A spinner is divided into three equal sections labeled a B and C. Erik spins the spinner and rolls a fair number cube. The tree diagram shows the sample space for the possible outcomes.

A plant grew 2cm every day for d days l. How much did it grow

If f (x) = 0.5^x+1, evaluate f (-2).