David, the manager of a bookstore, prefers to directly point out other's mistakes. some employees see his communication style as rude and aggressive. which of the following can cause such a conflict? a) concern over job security
b) lack of trust
c) differences in work styles
d) diversity in the workplace

One investigating company tracked all credit card purchase during 2012 and measured two variables: (1) the type of credit card used (visa, mastercard, american express, or discover), and (2) the amount (in dollars) of each purchase. identify the level of each variable measured.

One question from a survey was "how many credit cards do you currently have? " the results of the survey are provided. complete parts (a) through (g) below. click the icon to view the survey results. (a) determine the mean number of credit cards based on the raw data. the mean is 3.113.11 credit cards. (type an integer or a decimal. do not round.) (b) determine the standard deviation number of credit cards based on the raw data. the standard deviation is 1.9111.911 credit cards. (round to three decimal places as needed.) (c) determine a probability distribution for the random variable, x, the number of credit cards issued to an individual. x (# of cards) p(x) x (# of cards) p(x) 1 0.280.28 6 nothing 2 nothing 7 nothing 3 nothing 8 nothing 4 nothing 9 nothing 5 nothing 10 nothing (type integers or decimals. do not round.)

It is estimated that over 100,000 students will apply to the top 30 m.b.a. programs in the united states this year. a. using the concept of net present value and opportunity cost, when is it rational for an individual to pursue an m.b.a. degree. b. what would you expect to happen to the number of applicants if the starting salaries of managers with m.b.a. degrees remained constant but salaries of managers without such degrees decreased by 20 percent