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Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 398 Weeks Ago, 1 Day Ago |
| Questions Answered: | 66690 |
| Tutorials Posted: | 66688 |
MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Relationships Among Events
Student Ages A frequency distribution for the ages of the 40 students in Professor Weiss’s introductory statistics class is presented in Table 5.4. One student is selected at random. Let
|
A = event the student selected is under 21, |
|
B = event the student selected is over 30, |
|
C = event the student selected is in his or her 20s, and |
|
D = event the student selected is over 18. |
Determine the following events.
a. (not D)
b. (A & D)
c. (A or D)
d. (B or C)
TABLE 5.4 Frequency distribution for students’ ages
|
Age (yrs) |
Frequency |
|
17 |
1 |
|
18 |
1 |
|
19 |
9 |
|
20 |
7 |
|
21 |
7 |
|
22 |
5 |
|
23 |
3 |
|
24 |
4 |
|
26 |
1 |
|
35 |
1 |
|
36 |
1 |
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