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Probability – Statistics

Subject: Mathematics    / Probability Question Probability – Statistics 1. Give a variable that could be used to stratify the population for each of the following studies. List at least four subcategories for each variable. a. A political party wants to conduct a poll prior to an election for the office of U.S. senator in Minnesota b. A soft drink company wants to take a sample...

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A lottery involves drawing five white balls out

Subject: Mathematics    / Probability Question Statistics – Probability A lottery involves drawing five white balls out of a drum with 55 balls and then drawing one red ball out of a drum with 42 red balls. You can buy a $1 ticket and select five white numbers from (1-55 inclusive and one red number (from 1 – 42 inclusive). you win the lottery if you...

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Thinking About Business in Moral and Legal Terms

Subject: General Questions    / General General Questions Question Thinking About Business in Moral and Legal Terms Steven F. Goldstone, Chairman and CEO of RJR Nabisco (one of four biggest U.S. cigarette manufacturers), said in a magazine interview, “I have no moral view of this business. . . I viewed it as a legal business. You shouldn’t be drawing a moral judgment about a business our...

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For a recent period of 100 years, there were 93 major

Subject: Mathematics    / Probability Question Poisson Distribution for Major Earthquakes For a recent period of 100 years, there were 93 major earthquakes (at leat 6.0 on the Richter scale) in the world (based on data from the World Almanac and Book of facts). Assuming that the Poisson distribution is a suitable model, find the mean number of major earthquakes per year, then find the probability...

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The Effects of Psychotropic Medication

Subject: Psychology    / General Psychology Question The Effects of Psychotropic Medication Can you consider one of your clients who is currently taking a psychotropic medication (or more than one)? If you do not already know what the medication is can you make up a medication, its dosage, and how long the client has been taking it, and what your client’s thoughts may be about taking...

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The manager of a car wash receives pricing schedule

Subject: Mathematics    / Probability Question Reorder Point/ Optimal Order/ Total Carrying Cost The manager of a car wash receives pricing schedule (shown below) from the vendor who supplies soap- and a promise of a 25% shorter lead time for deliveries. Currently, lead time is 4 days. Annual usage of soap is 4500 gallons. The car wash is open 360 days a year. Ordering Costs is...

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A certain airplane has two independent alternators

Subject: Mathematics    / Probability Question Probability, Samples, Confidence Intervals 5.6 A certain airplane has two independent alternators to provide electrical power. The probability that a given alternator will fail on a 1-hour flight is .02. What is the probability that (a) both will fail? (b) Neither will fail. (c) One or the other will fail. Show your steps carefully. 5.7The probability is 1 in 4,000,000...

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