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Charles savings and loan is testing the hypothesis that the portion of deposit slips which are filled out incorrectly is 1%.
What is the null hypothesis?
Under what circumstances will the L U S & L incur a TYPE 1 error?
Under what circumstances will the L U S & L incur a TYPE II error?
Describe the statistical test that you would design for this hypothesis.
a certain brand of candies have a mean weight of 0.8617 g and a stand deviation of 0.0521 based on a sample of a
assume that the number of customers who arrive at a water ice stand follows the poisson distribution with an average
research shows that the life time of everlast automobile tires is normally distributed with a mean value of 70000
Your specific assignment for this week is to choose a type of quantitative data to gather from your own life. How many minutes does it take yo to get to work everyday.
Burnwood Tech plans to issue some $60 par preferred stock with a 6% dividend. A similar stock is selling on the market for $70. Burnwood must pay flotation costs of 5% of the issue price.
What types of graphical presentation (histogram, dot plot, stem-and-leaf, bar chart, etc.) would you include? Explain your reasoning.
To test the hypothesis that students who finish an exam first get better grades, Professor Barker kept track of the order in which papers were handed in.
when a health survey was conducted in some country. it found that 82 percent of the population was infected with a
A stock price is currently $100. Over each of the next two three-month periods, it is expected to increase by 10% or fall by 10%. Consider a six-month European call option with a strike price of $105.
How many women must be randomly selected to estimate the mean weight of women in one age group. We want 90% confidence that the sample mean is within 3.7 lb of the population mean.
Assuming this is literally true, how can it be explained? What facts / statistics would you need to know to expose this misleading claim?
The following data set shows the ages of the first 7 presidents and the 7 most recent presidents including President Obama. Find the mean, median, and range for each of the two data sets.
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