The management requested that the time of waiting on line for beverages shouldn’t take longer than 5 minutes on average; 10 volunteers recorded their waiting time (in seconds). They reported the following set of data:
Name |
Time |
Z-Score |
Simpson |
315 |
Blank 1 |
Scott |
310 |
Blank 2 |
Maurice |
285 |
Blank 3 |
Dario |
300 |
Blank 4 |
Vincent |
240 |
Blank 5 |
Daniel |
285 |
Blank 6 |
Alexander |
320 |
Blank 7 |
Toni |
300 |
Blank 8 |
Ivan |
275 |
Blank 9 |
Johan |
300 |
Blank 10 |
Calculate each z-score to 4 decimal places
10 points
The management requested that the time of waiting on line for beverages shouldn’t take longer than...