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An upper-level sociology class has 120 registered students: 37 seniors, 50 juniors, 23 sophomores, and 10 freshmen.
A) Imagine that you choose one random student from the classroom (perhaps by using a random number table). What is the probability that the student will be a junior?
B) What is the probability that the student will be a freshman?
C) If you are asked to select a proportionate stratified sample of size 30 from the classroom, stratified by class level (senior, junior, etc.). How many students from each group will there be in the sample?
Determine the lot size for Company B that wold minimize total annual cost by using the economic production lot size model.
Assuming there will be the same ratio of red balls in both jars, what percentage of red balls must there be for Eduardo to be indifferent.
Pitney Bowes surveyed 302 directors and vice presidents of marketing at large and midsized U.S. companies to determine what they believe is the best vehicle.
George Wynn is a salesperson for EGC whose primary responsibility is to contact engineers in charge of constructing commercial buildings.
an inspector chooses a sample of parts coming from an automated lathe by visually inspecting all parts and then
question a large department store examined a sample of the 18 credit card sales and recorded the amounts charged for
If it is returned to the deck, what is the probability that a king will be drawn on the second selection? If the king is not replaced, what is the probability that a king will be drawn on the second selection?
Can you reject the owner's claim at alpha = 0.01? Check conditions before you perform the test. Use Minitab>stat>basic stat> 1-sample t to get the p-value and then use p-value approach.
Statistical questions tend to fall into what two main categories?
What type of relationship exists between the flow rate and the change in temperature?
a luxury housing developer is evaluating several local lakes they hope to develop a housing community at the lake that
1. for a population containing n902 individuals what code number would you assign fora. first person in the list.b.
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