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A company has 7 senior and 5 junior officers. An ad hoc legislative committee is to be formed. In how many ways can a 5-officer committee be formed so that it is composed of:
a) Any five officers
b) 3 senior officers and 2 junior officers
identify the data sets level of measurements.levels of measurements nomial names labels categories ect. ordinal
A study conducted by the research department of a pharmaceutical company claims that the annual spending (per person) for prescription drugs for allergy relief is greater than or equal to the annual spending (per person) for non-prescription aller..
What is the mean and standard deviation for this groups' SAT verbal score? What is the 95% confidence interval for the mean SAT verbal score for these students?
consider a set of test grades with a mean of 80 and a standard deviation of 3. use chebyshevs theorem to find the
eighteen percent 0.18 of the students in a management class are graduate students. a random sample of 6 students is
does your experimental drug affect cholesterol? you run a study where the 15 subjects in group 1 receive the
Company wishes to know how many pounds of each chemical ingredient to put into the bag of fertilizer to meet minimum needs of 20 ounces of nitrogen, 36 ounces of phosphate, and 2 ounces of potassium during minimizing cost.
The management at Black Angus is considering hiring 8 additional servers. Currently 12 servers are serving 4 tables each per hour. Servers make $11.25 on overtime per hour.
a producer of a certain type of electronic component ships to suppliers in lots of twenty. suppose that 60 of all such
According to Chebyshev's theorem, proportion of values from data set that is further than 2 standard deviations from the mean is at most?
Peter, Paul, Mary, John and Martha are members of the pastoral council at a localchurch. They are to be seated at one side of a long conference table in a pastoral councilmeeting.
To test whether the population standard deviation differ significantly using Chi-Square test.
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