Your twenty observations of Dr. Knowitall reveal the following information. Assume that the estimate is to be within 8 percent of the true proportion 90 percent of the time. Activity Observed Number of Times Observed With patient 6 Reviewing test results 1 On phone 4 Idle 1 Away on emergency 5 Not available 2 Total 19
Your twenty observations of Dr. Knowitall reveal the following information. Assume that the estimate is to be within 8 percent of the true proportion 90 percent of the time. Activity Observed Number of Times Observed With patient 6 Reviewing test results 1 On phone 4 Idle 1 Away on emergency 5 Not available 2 Total 19
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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Question
Your twenty observations of Dr. Knowitall reveal the following information. Assume that the estimate is to be within 8 percent of the true proportion 90 percent of the time.
Activity Observed |
Number of Times Observed |
---|---|
With patient
|
6 |
Reviewing test results
|
1 |
On phone
|
4 |
Idle
|
1 |
Away on emergency
|
5 |
Not available
|
2 |
Total
|
19 |
(a)
Calculate the sample size needed to estimate the proportion of time Dr. Knowitall spends away on emergencies.
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