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A client gives you a data set of 30 observed values that represent the number of gallons of gas that 30 individual Nissan Sentra owners purchased at the gas pump last month. Your client wants to know if the data set represents a normal distribution. Which statistical analysis technique should be used? What is the null hypothesis? Can an analysis be performed? Why or why not?
Compute and interpret each of the statistics in parts(a) through (f) Mean and Median.
Develop a regression model for predicting the difference in the asking price and selling price.
Determine the cost Xs to develop the support system for which the probability of exceeding Xs is equal to 0.01?
What is the probability of finding exactly four watch soap operas?
Identify three discrete variables that appear in your current or future career. How do those variables affect your workplace, your product, or your personnel? How would changes in those variables affect these things?
Conduct the following test using 95% level of confidence.
For this same sample of n = 45, find out the width of confidence interval around population mean? Illustrate all work.
At a board meeting of 20 businessmen, all of whom wear ties, what is the probability that:
Finding the probability selecting a defective item from a collection of items using tree diagram
Statistical Hypothesis testing - Frequency distribution
What is the probability that a roulette ball will come to rest on an even number other than 0 and 00?
We can think of this as the value of mew that maximizes f(y), the probability that our observed value of y occurs.
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