Refer to the Applied Psychology in Criminal Justice (Sept. 2009) study of convicted drug dealers' motivations, Exercise

Question:

Refer to the Applied Psychology in Criminal Justice (Sept. 2009) study of convicted drug dealers' motivations, Exercise 2.102 (p. 77). Recall that the sample of drug dealers had a mean Wanting Recognition (WR) score of 39 points, with a standard deviation of 6 points. a. Find and interpret the z-score for a drug with a WR score of 30 points.
b. What proportion of the sampled drug dealers had WR scores below 39 points? (Assume the of WR scores is mound shaped and symmetric.)
Dealer
A dealer in the securities market is an individual or firm who stands ready and willing to buy a security for its own account (at its bid price) or sell from its own account (at its ask price). A dealer seeks to profit from the spread between the... Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...