View Answered Questions
| No. & Date Asked | Question |
# 493 :: 11/4/08
 |
On a police sergeants exam, the historical mean scored was 80 with a standard deviation of 20. Four offiers scored 195,175,191, and 189 respectively. . . .
Empirical Rule,
Z-Score,
Unusual Event,
Percent Score |
# 401 :: 9/20/08
|
A woman wrote to DearAbby and claimed that she gave birth 308 days after a visit from her husband, who is in the Navy. Lengths of pregnancies have a . . .
Z-Score,
Unusual Event |
# 17 :: 10/29/07
|
Having obtained the z score and then derived the percentage... what does the percentage tell you?. . .
Unusual Event,
Z-Score |
# 13 :: 10/23/07
|
How unusual is this event (Z-Score)?
A department store, on average, has daily sales of $28,707.47. The standard deviation of sales is $1000. . . .
Z-Score,
Unusual Event |
