A random variable x has the following probability distribution:
x
f(x)
0
0.08
1
0.27
2
0.35
3
0.25
4
0.05
?
a.Determine the expected value of x.b.Determine the variance.
What will be an ideal response?
?
| a. | 1.92 |
| b. | 1.0336 |
You might also like to view...
In an entity-relationship (E-R) diagram for the purchasing process, you would expect that the word generate would appear in the diamond showing the relationship between:
a. VENDOR and PURCHASE_ORDERS b. VENDOR and EMPLOYEES c. VENDOR and PURCHASE_REQUISITIONS d. PURCHASE_REQUISITIONS and PURCHASE_ORDERS
A high inventory turnover ratio normally indicates inefficient inventory policies.
Answer the following statement true (T) or false (F)
The area under the normal distribution curve between any two points can be calculated in terms of ________
A) z values B) F values C) n values D) t values E) chi-square values
What is an advertising objective? What are the three primary types of advertising objectives?
What will be an ideal response?