A study examined waiting times in the X-ray department for a hospital in Jackson
ID: 3381825 • Letter: A
Question
A study examined waiting times in the X-ray department for a hospital in Jacksonville, Florida. A clerk recorded the number of patients waiting for service at 9:00 A.M. on 20 consecutive days and obtained the following results.
Number Waiting
Number of Days Outcome Occurred
0
2
1
5
2
6
3
4
4
3
Total
20
a. Define the experiment the clerk conducted.
b. List the experimental outcomes.
c. Assign probabilities to the experimental outcomes.
d. What method did you use?
Number Waiting
Number of Days Outcome Occurred
0
2
1
5
2
6
3
4
4
3
Total
20
Explanation / Answer
1) Experiment :
The clerk noted the number of people waiting in the queue at 9.00 AM everyday at the hospital for 20 days consecutively
2) Experimental outcomes :
The outcomes are X = 0,1,2,3,4 patients
3) Probabilities :
d)
Probabilities are calculated as :
Number of days of occurence / total number of days
Hope this helps. Ask if you have doubts
Number Waiting Number of Days Probability 0 2 0.1 1 5 0.25 2 6 0.3 3 4 0.2 4 3 0.15 Total 20Related Questions
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