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Computing the probability values using normal distribution.
The distribution of scores on the SAT is approximately normal with a mean of µ = 500 and a standard deviation of σ = 100. For the population of students who have taken the SAT, what proportion have SAT scores greater than 550?
A record executive is interested in the popularity of her label's newest band, The Standard Deviations. She asks 10 people how many Standard Deviations songs they know.
Set up null hypothesis for associated F test.
Gigi has rolled a natural on four straight tosses of the dice. This excites the gamblers standing around the table.
A processor of carrots cuts green top off each carrot, washes the carrots, and inserts six to a package. Twenty packages are inserted in a box for shipment. To test weight of the boxes, a few were checked.
Survey on marital status to determine whether the data is qualitative or quantitative
The mean number of passengers per flight is 160 with a standard deviation of 20. The aircraft used for the route has 200 seats.
Would the method described above be a good way to determine which team was taller (explain why or why not)?
Following is based on information from Statistical abstract of the United States, Dec, 1992. Are A and B mutually exclusive?
What is the mean and standard deviation of the number preferring the incumbent and what is the probability that more than 68% will favor the incumbent?
Florida State University administers a test of mathematics placement to students when they first enter the university.
Develop three regression models to predict the selling price based upon each of the other factors individually. Which of these is best?
In a simple linear regression analysis of 18 data points the following ANOVA table was found.
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