The discrete random variable X is the number of students that show up for Professor Smith's office hours on Monday afternoons.The table below shows the probability distribution for X.What is the expected value E(X) for this distribution? 
Definitions:
Retail Inventory Method
An accounting technique for estimating inventory value by using a proportion between the retail price and cost of goods.
Cost Ratio
A measure that compares a company's operating expenses to its revenue, indicating how efficiently it is managed by showing the percentage of sales that goes towards covering costs.
Beginning Inventory
The value of a company's stock of goods at the start of an accounting period, serving as a baseline for inventory management.
Net Income
The total profit of a company after all expenses and taxes have been subtracted from its total revenue.
Q3: If P(A)= .20 then the odds against
Q24: Craig operates a part-time snow-plowing business using
Q40: Last year,10 percent of all teenagers purchased
Q51: Guidelines for the Jolly Blue Giant Health
Q64: Refer to the following partial ANOVA results
Q67: Last week,108 cars received parking violations in
Q68: The critical value of a hypothesis test
Q70: The owner of Limp Pines Resort wanted
Q81: A discrete distribution can be described by
Q104: Given the contingency table shown here,find P(A<sub>2</sub>).