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1. When using x2, what is the proper df for each of the following tables?
a. 1 x 4b. 4 x 5c. 2 x 4d. 6 x 3
2. Please reread the chapter objectives. Can you do each one?
1.a bank wants to get new customers for their credit card. they try two different approaches in their marketing
1. in january 2011 the marist poll published a report stating that 66 of adults nationally think licensed drivers
Find all similarity classes of 6x6 matrices over Q with minimal polynomial (x+2)^2(x-1) (it suffices to give all lists of invariant factors and write out some of their corresponding matrices).
in a certain community 30 of the families own a dog and 20 of the families that own a dog also own a cat. it is also
the power generated by a solar electric generator is normally distributed with mean 15.6 kilowatts and standard
A farm brings 15 tons of watermelon to market. Find a 90% confidence interval for the population mean cash value of this crop. What is the margin of error?
P (Z ≥ 1.75) where Z is a standard normal distribution with 10 degrees of freedom. Compare this result to the results obtained in parts (a) and (b). How do you explain the difference in these probabilities?
The rest have no opinion. " Suppose that a a sample of 100 American adults is quizzed on the subject. What is the probability of the following events?
identify which sampling technique was used in the following studya journalist asks 17 friends about their opinion on
(a) What proportion of the time will the courier service meet its guaranteed delivery time? (b) If a package fails to reach Oakland within 24 hours, what is the probability it was sent by train? (with all steps please)
1. use a scatterplot and the linear correlation coefficient r to determine whether there is a correlation between the
What was standard deviation for stock over this period? Assume that you currently have a portfolio that returns 19.5%. If you add this stock to the current portfolio, what would happen to the average return on portfolio?
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