Solution Found!
Consider the hospital emergency room data in
Chapter 2, Problem 134E(choose chapter or problem)
Consider the hospital emergency room data in Example 2-8. Suppose that three visits that resulted in LWBS are selected randomly (without replacement) for a follow-up interview.
(a) What is the probability that all three are selected from hospital 2?
(b) What is the probability that all three are from the same hospital?
Questions & Answers
QUESTION:
Consider the hospital emergency room data in Example 2-8. Suppose that three visits that resulted in LWBS are selected randomly (without replacement) for a follow-up interview.
(a) What is the probability that all three are selected from hospital 2?
(b) What is the probability that all three are from the same hospital?
ANSWER:Solution:
Step 1 of 3:
The summarized data regarding the emergency rooms of the hospitals are given.
Hospital |
|||||
1 |
2 |
3 |
4 |
Total |
|
Total |
5292 |
6991 |
5640 |
4329 |
22,252 |
LWBS |
195 |
270 |
246 |
242 |
953 |
Admitted |
1277 |
1558 |
666 |
984 |
4485 |
Not admitted |
3820 |
5163 |
4728 |
3103 |
16,814 |
Also, it is given that three visits that resulted in LWBS are selected at random without replacement.
Using this we have to find the required values.