What was the age distribution of nurses in Great Britain at the time of Florence Nightingale? Suppose we have the following information. Note: In 1851 there were 25,466 nurses in Great Britain. Age range (yr) Midpoint x Percent of nurses USE SALT 20-29 30-39 24.5 34.5 5.1% 9.7% 40-49 44.5 19.5% 50-59 60-69 70-79 80+ 54.5 64.5 74.5 84.5 25.0% 9.0% 1.9% 29.8%
What was the age distribution of nurses in Great Britain at the time of Florence Nightingale? Suppose we have the following information. Note: In 1851 there were 25,466 nurses in Great Britain. Age range (yr) Midpoint x Percent of nurses USE SALT 20-29 30-39 24.5 34.5 5.1% 9.7% 40-49 44.5 19.5% 50-59 60-69 70-79 80+ 54.5 64.5 74.5 84.5 25.0% 9.0% 1.9% 29.8%
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Transcribed Image Text:What was the age distribution of nurses in Great Britain at the time of Florence Nightingale? Suppose we have the following
information. Note: In 1851 there were 25,466 nurses in Great Britain.
Age range (yr)
Midpoint x
Percent of nurses
USE SALT
20-29
24.5
5.1%
30-39
34.5
9.7%
40-49
44.5
19.5%
50-59
54.5
29.8%
60-69 70-79 80+
74.5
84.5
9.0%
1.9%
64.5
25.0%

Transcribed Image Text:(c) Find the probability that a British nurse selected at random in 1851 would be 60 years of age or older. (Round your
answer to three decimal places.)
1.209
x
(d) Compute the expected age of a British nurse contemporary to Florence Nightingale. (Round your answer to two
decimal places.)
34.39
Xyr
(e) Compute the standard deviation a for ages of nurses shown in the distribution. (Round your answer to two
decimal places.)
25.54
X yr
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