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Question: In the computing industry the average age of professional employees tends to be younger than in many other business professions. Suppose the average age of a professional employed by a particular computer firm is 28 with a standard deviation of 6 years. A histogram of professional employee ages with this firm reveals that the data are not normally distributed but rather are amassed in the 20s and that few workers are over 40. Apply Chebyshev's theorem to determine within what range of ages would at least 80% of the workers' ages fall.
damon is a used car salesman in florida. the chance that he meets his monthly sales goals are as
in a study comparing four levels of factor a and two levels of factor b with six observations in each cell the sse3456
What is the median number of CDs owned? What is the 40th percentile? What is the range of the number of CDs owned? What is the standard deviation of the number of CDs owned?
Write 1-2 paragraphs for each component of the model (days-to-repair; interval between breakdowns; lost revenue; putting it together).
Proportion of free throw attempts that are successful. In the NBA, FT% is normally distributed with a mean of 0.721 and a standard deviation of 0.082. Which percentage of NBA players have a FT% lower than 0.784?
A sample of PVC pipes coming off a production line were tested for pipe diameter size. The statistical results (in millimeters) were:
Given that the stricken patron survives, what is the probability that the meeting participant knew how to administer CPR?
historically 1.3 of division 1 football starting players get pro contracts.a of the 72 senior starting players in a
The standard deviate of fresh fruit consumption is about 30 pounds. Suppose a researcher took a random sample of 38 people and had them keep a record of the fresh fruit they ate for one year.
1. suppose that from the past experience a professor knows that the test score of a student taking his final
the table below gives the size of the freshman class entering bsc for the past several years.class
Provide an estimate, standard error, an 80 percent con?dence interval, and a 95 percent con?dence interval for θ.
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