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The number of new orders received by a company over the past 25 working days were recorded as follows:
(a) Tabulate the number of new orders in the form of a frequency distribution.
(b) Present this data by means of an appropriate representation.
(c) Comment on the distribution and outline what other information might be of value
University officials at a major university would like to use three -term moving averages to examine enrollment. Enrollment data (in thousands of students) for the 12 most recent terms are shown in middle column of the table below.
From two censuses of a population's occupations, carried out in 2000 and 2010, the following figures were obtained (all values are in ‘000s).
The probability that husband and wife will b alive after 20 years from now is 0.8 and 0.9 respectively.find the probability that in 20 years time 1. both will b alive 2. neither of them will b alive 3. atleast one of them will be alive?
let s a b c be a sample space.a suppose p is a probability on s and that you know pa 0.2 and pa b 0.5 then what are
A certain airplane has two independent alternators to provide electrical power. The probability that a given alternator will fail on a 1-hour flight is .02. What is the probability that:
barrons reported that the average number of weeks an individual is unemployed is 17.5 weeks barrons february 18 2008.
a. What are the values of the design parameters, t, k, b, r? b. What is the value of l for this design? c. Is the incomplete block design balanced? Justify your answer.
what is the value called that separates the region of rejection from the region of non rejection?a. test statisticsb.
Each of the 6815 subjects above is considered as belonging to one of the three groups defined by the number of cups of coffee consumed per day (the three columns). Calculate for each of the three groups the proportion of subjects admitted because ..
online magazines make it easy for reasers to link to an advertisers website directly from an advertisement placed in
Report the test statistic and p-value. What is your decision and conclusion? State any assumptions you have made. Are these assumptions satisfied with these data?
1.bags of chips are filled using a machine. because not all chips are the same size it is impossible to get the exact
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