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Use ONLY the Standard Normal Tables to answer the following...
A set of exam scores is normally distributed and has a mean of 78.9 and a standard deviation of 8. You choose a random score from the data set and the probability of getting a score less than or equal to this is 0.0104.
What was the test score you randomly chose?
Determine what analysis would you do on each problem (i.e., one-sample z-test, one-sample t-test, proportion test, two-sample independent t-test, or paired test)?
Is this information dealing with two single categorical variables individually, or the relationship between two categorical variables?
a human resource manager at a large company wants to estimate the proportion of employees that would be interested in
1. ten employees at a company picnic are to stand in a row for a group photograph. in how many ways can this be done
The report "New Study Shows Need for Americans to Focus on Securing Online Accounts and Backing up Critical Data" (PRNewswire, October 29, 2009)
1. What kind of change is the 365 store chain? 2. How will the 365 store change result in 2 other kinds of change. 3. Analyze the 365 store chain change in terms of Strategic Planning at WFM.
Relative to the buying habits of customers in each district, who is a better salesman? Explain.
Explain the difference between multiple independent variables and multiple levels of independent variables. Which is better?
What is the positive predictive value (PPV) of the Optometrists exam? Provide an interpretation.
using alpha gt 0.05 a confidence interval for a population proportion is determined to be 0.15 to 0.35. if the
Sample size needed for an evaluation.- How large a sample of students should you take if you want the margin of error for 95% confidence to be about 0.1?
How large should the sample size be so that the 99% confidence interval for the population proportion has a margin of error of .03?
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