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Below we see three different definitions of the word "random". Notice that the statistics definition differs from the other definitions of random used in general language and in building trades. Discuss how the "general" and "building trades" definitions of random differ from the "statistics" definition of random. Also discuss why these definitions create confusion for statistics students. For example, many people out in the world say they collected data "randomly" when it is not.
RANDOM
General Definition: Proceeding, made, or occurring without definite aim, reason, or pattern. For example: "I walked around the store and randomly picked a person to talk to".
Building Trades: lacking uniformity of dimensions. For example, random shingles.
Statistics Definition: Selecting individual people or objects from a population where every person or object in the population has an equal probability of being chosen.
The profit is the difference between the cost and the payoff. For example, if the die shows four spots, then the profit is $9 - $10 = -$1.
Explain to someone who knows no statistics but is interested in weight-loss programs what the practical conclusion is.
Find the probability of drawing a 2 and a 6 in either order. Round your answer to the nearest thousandth.
What are the lower and upper bounds of your confidence interval?
The "Top Three" at a racetrack consists of picking the correct order of the first three horses in a race. If there are 10 horses in a particular race, how many "Top Three" outcomes are there?
Figure shows histograms of the student responses, in scrambled order and without scale markings. Which histogram goes with each variable?
What are the objectives of an effective employee empowerment system? What advantages does employee empowerment offer to an organization
The $8 price is the profit optimizing price for the current sales model of $8 per box. Determine the following: What is the profit per customer currently?
Prepare a bar graph that displays the number of patients by age of diagnosis. Prepare a pie chart that displays the number of patients by race. Prepare a table that displays the numbers of patients by sexual orientation.
What are the expected value and standard deviation of the number of small aircraft that arrive during a 90-min period?
Let D be any deterministic finite automaton. Assume that you know D contains exactly n states and that it accepts at least one string of length n or greater. Show that D must also accept at least one string of length 2n or greater.
If the variability of the filling machine is reduced to 0.025 ounce, verify that this will lower the required average amount of coffee to 4.050 ounces and yet keep 98 percent of the jars above 4 ounces.
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