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Approximately 34% of all university professors are extroverted Suppose you have classes with 5 Different professors. Find probability that 1 is extroverted? Find probability that 2 are extroverted.
A computer system uses passwords constructed from the 26 letters (a to z) or 10 integers (0 to 9). Suppose there are 10000 users on the system with unique passwords. A hacker randomly selects (with replacement) passwords from the potential set.
How much variability will you have if you predict sales with this model?
If desired confidence level is 95 percent, suitable critical value is?
How much would ING be willing to pay if the General Counsel could arrange for an absolutely reliable mock trial?
Security B has an expected return of 12 percent, a standard deviation of returns of 10 percent, a correlation with the market of 0.7 and a beta coefficient of 1.0.
A doctor believes that the standard deviation of systolic blood pressure is 450. A random sample of 24 patients found a standard deviation of 520. Assume the variable is normally distributed and = 0.01. What are the critical values?
John Rengel is the Quality Assurance Supervisor for Vino Supremo Vinyards. He knows that 10 percent of each box of corks is undersized.
Calculate correlation coefficient for data below. Compute the equation for regression line if n=7, Ex=69, Ey=528 Exy=4754 and Ex^2=825
Testing for a linear correlation. Construct a scatter plot, find the value of the linear correlation coefficient r, and find the critical values of r from the table below using a=0.05.
A test indicates the presence of a particular disease 90% of the time when the disease is present and the presence of the disease 2% of the time when the disease is not present.
Describe how multiple correlation and/or regression analysis is (or could be) applied in your work or life environments. Define the dependent and independent variables.
Elephant came up twice as often as any other animal but that all the other animals came up equally often. Assuming there results were true, the probability of tossingan elephant is?
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