Reference no: EM131111377
INTRODUCTION TO STATISTICAL THINKING
Directions: Complete the following questions. The most important part of statistics is the thought process, so make sure that you explain your answers, but be careful with statistics. The following statistics/probability problems may intrigue you and you may be surprised. The answers are not always as you might think. Please answer them as well as you can by using common logic.
1. There are 23 people at a party. Explain what the probability is that any two of them share the same birthday.
2. A cold and flu study is looking at how two different medications work on sore throats and fever. Results are as follows:
•Sore throat - Medication A: Success rate - 90% (101 out of 112 trials were successful)
•Sore throat - Medication B: Success rate - 83% (252 out of 305 trials were successful)
•Fever - Medication A: Success rate - 71% (205 out of 288 trials were successful)
•Fever - Medication B: Success rate - 68% (65 out of 95 trials were successful)
Analyze the data and explain which one would be the better medication for both a sore throat and a fever.
3. The United States employed a statistician to examine damaged planes returning from bombing missions over Germany in World War II. He found that the number of returned planes that had damage to the fuselage was far greater than those that had damage to the engines. His recommendation was to enhance the reinforcement of the engines rather than the fuselages. If damage to the fuselage was far more common, explain why he made this recommendation.
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Create and test a generic hop method
: Create and test a generic hop method that has three parameters- who, how high, and how far.
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Explain which is more risky bonds or common stocks
: Explain the relationship between risk and return. Identify an example of risk and return. Explain which is more risky bonds or common stocks. Explain how understanding risk and return will help you in future business ventures.
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What is the fermi energy of a neutron
: What IE the approximate value of the electron Fermi energy when p , 100 g em 3/ 19. At the average density of a1.4M6,, it = 10 km neutronstar, what is the Fermi energy of a neutron?
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Create an organizational chart showing a top-down
: Create an organizational chart showing a top-down,
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What probability is that any two of them share same birthday
: Analyze the data and explain which one would be the better medication for both a sore throat and a fever. Explain what the probability is that any two of them share the same birthday.
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What are the steps to find the source code
: What is the purpose of the World Wide Web Consortium and what work does it perform? What are the benefits of diagramming your site before you begin coding? What are the benefits of using a text editor to create a website?
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Prepare the journal entries to record income tax expense
: Prepare the journal entries to record income tax expense, deferred income taxes, and income taxes payable for 2014 and 2015. Assume taxable income was $980,000 in 2015.
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Calculate the future value of the single cash
: For each of the cases shown in the following table, calculate the future value of the single cash flow deposited today at the end of the deposit period if the interest is compounded annually at the rate specified.
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What is coefficient of correlation between square footage
: What is the Coefficient of Correlation between square footage and listing price? Does your Coefficient of Correlation seem consistent with your answer to #2 above? Why or why not?
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