alculate the probability mass run x 1 f(x) i 5 f(x) f(x) i M 9 the wait time for service. 2 i i 6 10 your answers to four decimal places (e.g. 78.7054). 3 4 i i 7 15 i M 8
alculate the probability mass run x 1 f(x) i 5 f(x) f(x) i M 9 the wait time for service. 2 i i 6 10 your answers to four decimal places (e.g. 78.7054). 3 4 i i 7 15 i M 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:Actual lengths of stay at a hospital's emergency department in 2009 are shown in the following table (rounded to the nearest hour).
Length of stay is the total of wait and service times. Some longer stays are also approximated as 15 hours in this table.
Hours Count
1
15
2
50
3
75
4
102
5
83
6
64
7
36
8
13
9
10
10
18
15
17
Calculate the probability mass function of the wait time for service. Round your answers to four decimal places (e.g. 98.7654).
1
2
3
4
f(x)
5
6
f(x)
9
10
f(x)
i
i
i
7
15
Mi
p
8
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