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Discussion
"Why would students be asked to take a statistics if they may never see a math problem in their job in the future ? I have my own opinions on the matter, but lets see what the rest of you think? You can post your own thoughts or respond to another student. This should be interesting :).
A consumer is contemplating the purchase of a new compact disc player. A consumer magazine reports data on the major brands. Brand A has lifetime (TA) which is exponentially distributed with m=.02; and Brand B has lifetime
question a multiple-choice test has 6 questions. there are 4 choices for each question. a student who has not
On a police sergeants exam, the historical mean scored was 80 with a standard deviation of 20. Four offiers scored 195,175,191, and 189 respectively
Create the box plot to represent data. Explain the distribution. Ensure to recognize the first and third quartiles and median.
State the main points of the Central Limit Theorem for a mean. Why is population shape of concern when estimating a mean? What does sample size have to do with all?
A population has a standard deviation of 16. If a sample of size 64 is selected from this population, what is the probability that the sample mean will be within 2 of the population mean?
A carnival game offers a $100 cash prize for anyone who can break a balloon by throwing a dart at it. It costs $5 to play (they keep your $5 , even if you win the $100), and you're willing to spend up to $20 trying to win. You estimate that you ha..
assume that the mean hourly cost to operate a commercial airplane follows the normal distribution with a mean of 2050
The case information stated that 66% of teenagers purchase products that reflect their style and image as being hip and trendy. How would you test the appropriateness and validity of that percentage? In a test where 900 teens are randomly selected ac..
In terms of measures of association, how is Lambda different from the other measures used for nominal level data?
An auto manufacturer advertises that "90% of the cars we've ever made are still on the road." Assuming this is literally true, how can it be explained? What facts/statistics would you need to know to expose this misleading claim?
in a manufacturing process a random sample of 49 bolts manufactured has a mean length of 1.67 inches with a standard
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