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The percentage of values in some commonly used intervals are
a) 68.3% of the values of a normal random variable are within plus or minus one standard deviation of its mean.
b) 95.4% of the values of a normal random variable are within plus or minus two standard deviations of its mean.
c) 99.7% of the values of a normal random variable are within plus or minus three standard deviations of its mean.
In the graphical method, how do you know when a problem is infeasible, unbounded, or when it has multiple optimal solutions? Give a real-world example of when you could have an infeasible problem.
shown here are the data for y and three predictors x1 x2 and x3. a multiple regression analysis has been done on these
To determine monthly rental prices of apartment units in San Francisco Bay area, samples were constructed in the following ways. Identify the technique used to produce each sample. (cluster, convenience, random, stratified, systematic):
compute a qq plot against a normal distribution with a mean of 5 and standard deviation of 1 and test for the goodness
A software company wants to determine whether there is a relationship between their three sales offices and the sales of their software products. The actual sales results are
gerald needs to purchase baseballs and bats for his youth baseball league. he will need at least 25 pieces of equipment
Please note the following definitions: The prevalence of a disease is the proportion of individuals in a population or subpopulation who have a disease.
calculate the correlation coefficient r for the data
please provide a 250-300 word explanation for the below discussion questions and please include apa style in-text
Using WSJ or IBD look up the following stocks: General Electric, General Motors, Microsoft and Intel and answer the following questions for each stock. You may have to refer to several issues of your newspaper for all of the information if the pap..
People with type O-negative blood are universal donors. That is, any patient can receive a transfusion of O-negative blood. Only 7% of the American population have O-negative blood.
The mean yearly amount earned is $40,000 and the standard deviation is $5,000. What percent of the sales representatives earn more than $42,000 per year?
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