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1. Toss a fair die five times and record the number of dots on the up face of the die. What is the probability that six dots on the up face occurs exactly three times?
2. Flip a fair coin three times and record the up face of the coin. What is the probability that heads shows on the up face fewer than two times?
through the week ending september 162011 tiger woods was the leading money winner on the pga tour with total earnings
Suppose the mean amount of money a customer spends in one trip to the supermarket is $72.
Draw a scatter diagram of the data. Does a simple linear regression model seem appropriate here - Find the p-value of the test, and use the p-value to verify your answer.
Test to determine whether the population correlation coefficient is negative. Use a significance level of 0.05 for the hypothesis test.
Suppose that demand for built space in a local market is growing. Does this imply that rents will rise? Why or why not? Differentiate between rent changes.
Using the Census data, the OH Registry of Motor Vehicles reveal the subsequent about the Autos owned by the 10 families residing in Smallville.
Using a spreadsheet, create a table that shows the relationship among the units of heights of people in centimeters, inches and feet in the range of 150cm to 2m. Use increments of 5cm.
She wants to compare this year=s team scoring records to last year=s.Last year=s team had a standard deviation of 1.0 for goal scoring against, with a mean of 4.5. In which year would you say the team is doing better? Why
Albert Einstein stated, "The formulation of a problem is far more often essential than its solution, which may be merely a matter of mathematical or experimental skill.
What is the predicted mean probability of hypertension during pregnancy for women of social class III who smoke 20 or more cigarettes per day?
You would like to know if operating red-light camera can actually reduce the number of traffic violation. We know that the average number of tickets before the implementation of red-light camera on daily basis was 15.
If the homoscedasticity assumption is violated, what effect might this have when computing confidence intervals as described in box 8.1?
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