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For a women ages 18-24 sytsolic pressure (in mm hg) are normally distributed with mean 114.8 and standard deviation 13. in a random sample of 32 womrn aged 18-24, find the probability that the average systolic blood pressure is between 110 and 120 mm hg.
Based upon all of this information, do a "goodness-of-fit" test to see if the distributions are the same as they were two years ago. Use a level of confidence of .01. Should we accept Ho or reject Ho?
A consumer agency has retained an independet testing firm to examine a television manufacturer's claim that its 25-inch console lmodel consumes just 110 watts of electricity.
Conduct the hypothesis test and provide the test statistic, critical value and/or P- value and state the conclusion.
A bag contains 8 red marbles, 2 blue marbles, and 1 green marble. What is the probability of choosing a marble that is not blue?
Create network for aerospace launch project below and determine its critical path.
Give an example of a null and alternative hypotheses. This can be a personal item or something at work. Additionally, identify the Type I and Type II Errors that could occur with your decision-making process.
Help with showing how do detrime the standard deviation of a problem when the standard deviation is 5. An example would help me to work out a problem for the normal probability distribution.
How to decide whether your test should be one-tailed or two-tailed/directional or non-directional. Gives an example of each type, with an explanation of why it is/is not directional.
Determine the probability that person's monthly gasoline (gallon) purchases will be less than 67 gallons.
Formulate a linear programming model for this problem.
How does a linear regression allow us to better estimate trends, costs, and other factors in complex situations?
Discuss the main assumption for using a chi-square test. Find a research article that uses chi-square and explain why it was the right test and how the assumption plays into it.
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