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Question: The number of users that were logged into an Internet server was monitored every minute, over a period of 100 minutes. Here are the results:
(a) Group these measurements into 10 equal classes, (81-95, 96-110, etc.) and construct a frequency distribution table for the data.
(b) Draw a histogram of the distribution.
(c) Find the average number of users during the sample period.
(d) Using the histogram, estimate the probability of 141-165 users being logged in at any given time.
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