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1.if your data is a random sample of size n from the distribution N(4, 7), then what is the distribution of the statistic X(not Z or T)? Z?T? 2.Suppose you are testing H0: N(55, 64) vs. H1 N(45, 49), with α = .05. Your test will be one draw x from one of these two populations. You standardize H0 to N(0, 1). What is H1?
Define the hypothesis and find the standard error of the difference in the means also find the test statistic - Determine the required sample size to be able to use a 99% confidence interval.
q1.a soda producer makes and sells two products classic cola and diet cola. if this company spends x1 dollars on
Using the information from part by hand, calculate a 90 confidence interval for the difference of the means for the two time periods.
Analyze whether gender differences exist in the size of pay-raise and whether or not these differences are attributable to the size of the university.
1. a university has been tracking the percentage of alumni giving to its annual fund each for the past 10 years. the
1 labforensic collection and analysis of persistent datawrite up your lab experience including the necessary steps
A worker at Disneyworld in Orlando is assigned the task of getting 100 guests to complete a survey about their experience at the park. Suppose each individual guest that the worker asks will agree to complete the survey with a probability of 0..
Describe how to assess the capability of any process to meet its requirements and stay within predefined specification limits and state the different choices of control chart available and the preferred system used by the process industries.
Decision Trees are graphic displays of the decision process. When do you feel it is appropriate to use decision trees?
What are the possible values of this random variable and draw the density function.
Determine and interpret the sensitivity of mammography.
Does the coin flipping process you just completed illustrate the Law of Large Numbers? Why or why not?
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