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A 2001 preseason NCAA football poll asked respondents to answer the question, "Will these Big Ten or the Pac-10 have a team in this year's national championship game, the Rose Bowl?" Of the 13,429 respondents, 2961 said the Big Ten would, 4494 said the Pac-10 would, and 6823 said neither the Big Ten nor the Pac-10 would have a team in the Rose Bowl. www.yahoo.com August 30, 2001
A. What is the probability that a respondent said neither the Big Ten nor the Pac-10 will have a team in the Rose Bowl?B. What is the probability that a respondent said either the Big Ten or the Pac-10 will have a team in the Rose Bowl?C. Find the probability that a respondent said both the Big Ten and the Pac-10 would have a team in the Rose Bowl.
Based on this, compute a 99% confidence interval for the proportion of all letters mailed in the United States that were delivered the day after they were mailed.
Using one mean Z test to test whether or not to support the claim - Is there evidence that the average hours is below 6? Describe.
Recognizing that the hike to the campsite is a long one, a limit of 35 pounds has been set as the maximum total weight of the items to be carried. Formulate this as a LP problem to maximize the total utility of items carried.
What is the estimated increase in the interval of time until the next wruption that corresponds to an increase of 60 seconds in the duration?
1 per cent produced by Machine 2 were defective. If an item selected at random is found to be defective, what is the probability that it was produced by Machine 2.
The mean number of passengers per cruise is 1,820 and the standard deviation is 120.
Faced with rising FAX costs, a firm issued a guideline that transmissions of 10 or more should bw sent by 2-day mail instead. Wxceptions are allowed, but they want the average to be 10 or below.
A polling company obtains an alphabetical list of names of voters in a precinct. They select every 20th person from the list until a sample of 100 is obtained.
State the null and alternate hypotheses. Calculate the sample standard deviation. Determine which test statistic is appropriate (chi-square or F), and calculate its value.
In a test of a gender-selection method, 14 babies are born and 10 of them are girls. Find the number of different possible sequences of genders that are possible when 14 babies are born
Suppose we have run a regression on 48 months of data and the regression equation is Y = 50000 + 1000*x (where x is the month number).
A defective picture tube was discovered in the latest shipment. What is the probability that it came from Tyson Wholesale?
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