A lab has 6 computers. Let X denote the number of these computers that are in use during lunch hour. # of Computers used Frequency 2 3 4 3 2 4 Given the following data observed for a month, a) Construct the probability distribution; b) Find the probability that atleast 2 computers are in use. c) Find the probability that atleast half of the computers are in use. d) What is the average number of computers used? e) Compute the variance and the standard deviation.
A lab has 6 computers. Let X denote the number of these computers that are in use during lunch hour. # of Computers used Frequency 2 3 4 3 2 4 Given the following data observed for a month, a) Construct the probability distribution; b) Find the probability that atleast 2 computers are in use. c) Find the probability that atleast half of the computers are in use. d) What is the average number of computers used? e) Compute the variance and the standard deviation.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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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:A lab has 6 computers. Let X denote the number of these computers that are in use during
lunch hour.
# of Computers used
Frequency
3
4
2
7
4
Given the following data observed for a month,
a) Construct the probability distribution;
b) Find the probability that atleast 2 computers are in use.
c) Find the probability that atleast half of the computers are in use.
d) What is the average number of computers used?
e) Compute the variance and the standard deviation.
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