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Which of the following statements are true (T) and which are false (F)?
1. If X = 2 and Y = 3, the constraint 2 X + 8 Y <= 26 is satisfied (not violated).
2. Decision variable values like X= -12 and Y=-14 are prohibited values in nearly all optimizations.
3. In LPs, we can expect decision variable solutions that are always integer valued (e.g. 2, 5, 18).
4. For the constraint X = 45, an optimal solution value of X = 35 is permissible and does not violate the constraint.
5. For an LP that has a Feasible Region, that region represents an infinite number of solutions.
What is a proportion of engineers in the company with salaries between the percentiles below? Upper 5th for x = x0.05 =92450 Lower 5th for x =x.95=59550
What can you infer from the statistics and what information might lead you to a different conclusion - what additional information would be valuable to help draw a more certain conclusion?
Find out which (t-, z- or neither) distribution is suitable Then if you can utilize either a t- or z- distribution, provide associated critical value (critical t- or z- score) from that distribution to reach given confidence level.
Develop a clear purpose statement sentence capturing the essence of the intent of the pilot study and develop a brief introduction including three research questions
A simple random sample is found to be (0.7, 2.1). Can we conclude that 90% of households have between 0.7 and 2.1 children? Justify your answer.
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suppose the lifetime of a particular appliance follows an exponential distribution with a mean of 10 years. what is the
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the next 2 questions refer to the following scenario. consider an experiment of flipping a fair coin 50 times. assign a
Determining sample-size is important step when planning a statistical study. It is also quite a difficult task since many variables must be considered.
explain the basic idea for performing a hypothesis test based on independent samples to compare two population
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