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An office meeting consists of 4 managers and 7 staff
(a) each working team consists of one manager and at least 1 but not more than 3 staff. How many different teams are possible?
(b) A photo is taken of the meeting participants standing in a row. What is the probability that all of the managers will be side-by-side in the picture?
Determine the upper control limit (UCL) and lower control limit (LCL) for an X-Bar chart if six samples of subgroup size 5 (n=5) were collected, and the mean of the sample averages is 4.7 and mean of the sample ranges is 0.35.
suppose we have a set of 100 x y points. if we multiply all of the xs by 10 thena. the mean and standard deviation of
denote by a b and c the events that a grand prize is behind doors a b and c respectively. suppose you randomly picked a
for each of the following distributions find the minimum usual value ? - 2? and the maximum usual value ? 2?.a.
The rate of return for one year (reported in percent) for a sample of 12 mutual funds 4.634 4.15 4.76 4.70 4.65 4.52 4.70 5.06 4.42 4.51 4.24 4.52. Using .05 significance level,
a pizza delivery service delivers to a campus dormitory. delivery times follow a normal distribution with mean 20
A sample of n observations is taken from a population. When performing statistical inference about a population variance, the appropriate chi-square distribution has:
an index of two store items for 2007 based on 2004 is to be constructed. the information for the prices and quantities
find the 95 confidence interval for the standard deviation of birth weights at county general hospital if the standard
suppose that you wanted to determine if your eastern region of wholesalers differed from your western region of
A sales person at a company sold 6,903,435 of hardware equipment last year, a figure that represented the eighth decile of sales performance at the company. What can you conclude about the salesperson performance?
Consider the following news headline, "Cigarette Smokers Make Lower College Grades than Nonsmokers" The news article goes on to say that researchers at a university collected information on rate of cigarette smoking (total number of cigarettes sm..
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