Does listening to soothing music employees concentrate better? a psychologist studied the number of puzzles employees of a large business were able to solve in a five-minute period while listening to soothing music. let x be the number of puzzles completed successfully by a subject. the psychologist found that x had the following probability distribution.

#puzzles completed probability
0 0.06
1 0.16
2 0.19
3 0.32
4 0.24
5 0.03
what is the expected number of puzzles completed by an employee ?

The risk-free rate is 7% and the expected rate of return on the market portfolio is 11%. a. calculate the required rate of return on a security with a beta of 1.92. (do not round intermediate calculations. enter your answer as a percent rounded to 2 decimal places.) b. if the security is expected to return 15%, is it overpriced or underpriced?

As the marginal propensity to consume (mpc) increases, the multiplier remains the same. increases. decreases. as the marginal propensity to save (mps) increases, the multiplier decreases. increases. remains the same. if the marginal propensity to consume is 0.30, what is the multiplier, assuming there are no taxes or imports? round to the tenths place. given the multiplier that you calculated, by how much will gross domestic product (gdp) increase when there is a $1,000 increase in government spending? $

An object that is clicked on and takes the presentation to a new targeted file is done through a