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Research has shown that losing a few hours of sleep can have a significant effect on performance of some simple tasks
You have graduated from college and have been working hard to get established in your field. You eventually land a perfect job where you make tons of money.
A die with three sides {1,2,3} is tossed two times. Let X equal the maximum of two observations and let Y equal the minimum.
As part of a study performed in Norway, 70,000 people in the general population had their blood pressure measured; two readings were obtained
State college is evaluating a new english composition course for freshmen. A random sample of N=25 freshmen is obtained and the students are placed
The array below shows the number of days required for approval for a random selection of small business loan applications.
Choose three other variables in 2004GSS.sav to establish three research hypotheses with the same dependent variable you have selected
Fidelity Magellan is a large cap growth mutual fund and Fidelity Small Cap Stock is a small cap growth mutual fund (Morningstar Funds 500, 2006).
A case-control study was conducted to investigate a relationship between the colors of helmets worn by motorcycle drivers
The temperature(at a randomly selected time) is normally distributed with mean 83 degrees Fahrenheit and standard deviation 5 degrees.
The shelf life of a digital storage device is normally distributed with mean 10 years and standard deviation 2 years.
How many selections result in all 6 workers coming from the day shift? What is the probability that all 6 selected workers will be from the day shift?
A classic tale involves for carpooling students who missed a test and gave as an excuse a flat tire.
Find the probability of tossing an "even face" following by a "5" on two rolls of a dice.
You have been presented with the following cost data table and asked to fit a statistical cost function.
Data from 2 populations; the first population consists of subjects numbered Combined-POS-1 thri 156 that have been tested for CD4 % LYMPHOCYTES
Perform the following hypothesis tests on the data in spreadsheet. State the conclusion of the hypothesis tests. The level of significance is 0.05 in each test.
Suppose that a probability distribution has a mean 20 and standard deviation 3. The Chebychev inequality states that the probability that an outcome.
On three rolls of a single die you will lose $10 if a 5 turns up at least once, and you will win $7 otherwise. What is the expected value of the game?
Annie and Alvie have agreed to meet between 5:00 pm and 6:00 pm for dinner at a local health food restaurant.
In a market test of a new chocolate raspberry coffee, a poll of 400 people from Dobbs Ferry showed 250 preferred the new coffee.
If each Senior is equally likely to win each challenge, what is the Probability that Hank, one of the Seniors, will win at least one challenge?
It is believed that most actively managed funds fail to outperform the overall market.
A hand of 4 cards contains one card of each suit ( I,e., one Heart, one Diamond, One Club and one spade).
A single die is rolled once. You lose $12 if a number divisible by 3 turns up. How much should you win if a number not divisible by 3 turns up.