The number of arrivals per minute at a bank located in the central business district of a large city was recorded over a period of 200 minutes, with the results shown in the table below. Complete (a) through (c) to the right. Arrivals Frequency 0 20 1 39 2 44 3 36 4 26 5 18 6 11 7 5 8 1 a. Compute the expected number of arrivals per minute. μ=enter your response here (Type an integer or decimal rounded to three decimal places as needed.) Part 2 b. Compute the standard deviation. σ=enter your response here (Type an integer or decimal rounded to three decimal places as needed.) Part 3 c. What is the probability that there will be fewer than 2 arrivals in a given minute?
The number of arrivals per minute at a bank located in the central business district of a large city was recorded over a period of 200 minutes, with the results shown in the table below. Complete (a) through (c) to the right. Arrivals Frequency 0 20 1 39 2 44 3 36 4 26 5 18 6 11 7 5 8 1 a. Compute the expected number of arrivals per minute. μ=enter your response here (Type an integer or decimal rounded to three decimal places as needed.) Part 2 b. Compute the standard deviation. σ=enter your response here (Type an integer or decimal rounded to three decimal places as needed.) Part 3 c. What is the probability that there will be fewer than 2 arrivals in a given minute?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The number of arrivals per minute at a bank located in the central business district of a large city was recorded over a period of 200 minutes, with the results shown in the table below. Complete (a) through (c) to the right.
|
Arrivals
|
Frequency
|
|
|---|---|---|
|
0
|
20
|
|
|
1
|
39
|
|
|
2
|
44
|
|
|
3
|
36
|
|
|
4
|
26
|
|
|
5
|
18
|
|
|
6
|
11
|
|
|
7
|
5
|
|
|
8
|
1
|
a. Compute the expected number of arrivals per minute.
μ=enter your response here
(Type an integer or decimal rounded to three decimal places as needed.)
Part 2
b. Compute the standard deviation.
σ=enter your response here
(Type an integer or decimal rounded to three decimal places as needed.)
Part 3
c. What is the probability that there will be fewer than 2 arrivals in a given minute?
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