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The width of an interval is half of the difference between its upper and lower bounds. The width is a measure of the uncertainty of the number specified by the interval. For some arithmetic operations the width of the result of combining two intervals is a function only of the widths of the argument intervals, whereas for others the width of the combination is not a function of the widths of the argument intervals. Show that the width of the sum (or difference) of two intervals is a function only of the widths of the intervals being added (or subtracted). Give examples to show that this is not true for multiplication or division.
a technician monitors a group of five computers that run an automated manufacturing facility. it takes an average of 15
In the following stem-and-leaf display for a set of two-digit integers, the stem is the 10's digit, and each leaf is the 1's digit. What is the original set of data?
assume that 2 out of every 1000 people have a particular disease. a test has been developed to detect this disease.
The Quick Change Oil Company has a number of outlets. The numbers of oil changes at the Oak Street outlet in the past 20 days are: Organize the data into a frequency distribution and include the relative frequency distribution.
after 6 quizzes you have a mean score of 50out of a possible 70. if 60 on next quiz what new mean?what is the maximun
Nielsen publishes a weekly ranking of television programs as well as a weekly ranking of four major networks: ABC, CBS, NBC, and Fox. What kinds of decision or actions are based on the Nielsen rankings?
The General Social Survey is an annual survey given to about 1500 U.S. adults selected at random. Each year, the survey contains several questions meant to probe respondents' views of employment.
a machine makes a product with 5 of units having faults. in a sample of 20 units what is the probability that at least
Using the empirical rule, what is the approximate percentage of the men between the following values? A. 176 cm and 186 cm B. 166 cm and 196 cm.
As part of his review for a chemistry test, a student randomly selects (without replacement) 40 out of 102 elements listed on the standard tables, and tries to guess their atomic numbers.
Characteristics of residential properties - Construct a table that includes the summary statistics (mean, standard deviation, minimum and maximum) of all the variables. Explain briefly your findings
Would you suspect that the IDEA surveys sent to South students each term could be biased in the responses received? Why or why not?
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