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a) using a graphical method, solve the following simultaneous equations:4u + 2y = 53u + y = 9b) using a graphical method, solve the following quadratic equation:2x^2 + 6x + 3 = 0Given that the solution lies in the range x = -4 and x = 0
The specifications of the clearance between the mating parts are 0.5 ± 0.4. What fraction of assemblies will fail to meet specifications if assembly is at random?
Accepting Manipulation or Manipulating
Evaluate the correlation coefficient.
How are the degrees of freedom for the chi-square hypothesis tests different from those of most other hypothesis tests? In most previous hypothesis tests, the degrees of freedom have been based on sample size.
What test or tests would you use to rule out chance from causing the apparent differences in these data and is there a significant correlation?
Develop a sales forecast for each store for December Plot the data for each store.Use data in table.
What assumptions about the number of pedestrians passing the location in an hour are necessary for your hypothesis test to be valid?
Regression analysis techniques
The researchers used the available survey data and summarised the nature of the car accidents and if a mobile phone was being used by the driver either during (or immediately before) the accident
Determine the correlation coefficient. Find the predicted value of Y given X = 75. Give an interpretation of the predicted value in the context of the problem.
This variable represents the number of machine breakdowns during a day, based on this simulation run, what is the average number of breakdowns per day?
Graphical Solutions in Linear Programming have limited number of decision variables. What is the maximum number of decision variables used in graphical solutions?
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