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In the 2010 World Cup, Paul the Octopus (in a German aquarium) became famous for being correct in all eight of the predictions it made, including predicting Spain over Germany in a semi-final match. Before each game, two containers of food (mussels) were lowered into the octopus's tank. The containers were identical, except for country flags of the opposing teams, one on each container. Whichever container Paul opened was deemed his predicted winner.
1 Does Paul have psychic power? In other words, is an 8 for 8 record significantly better than just guessing
a) What is the p-value
Subsequent questions concern other political, social, and election issues. Explain why this question order might be the best order for estimating how people may vote in the presidential election.
A new surgery is successful 70% of the time. If the results of 9 such surgeries are randomly sampled, what is the probability that at least 7.
Assume that a utility of zero is assigned to an amount of $0 and a utility of 1 00 to a gain of $ 1 00,000,000.
in the game of keno if you make a 1 bet on a pair of numbers you have a 94 chance of losing and thus losing your one
Computer software reports x‾ = 15.3 and P = 0.074 for a t test of H0: μ = 0 versus Ha: μ ≠ 0. Based on prior knowledge, you can justify testing the alternative Ha: μ > 0. What is the P-value for your significance test?
A department head wants to investigate the quality of teaching of a professor who is coming up for tenure.
For each of the following time series, do you think the long-term trend would be positive, negative, or nonexistent?
What is the smallest value a variance can be? Under what conditions does the variance equal this smallest value?
Establish the appropriate null and alternative hypotheses to be tested for boxes that are supposed to contain an average of 24 ounces.
What is the probability that all three believe UFOs have landed on Earth? - What is the probability that none of the three believes UFOs have landed on Earth?
The article from which the data in Exercise 20 was obtained also gave the accompanying data on the composite mass/outer fabric mass ratio for high-quality fabric specimens
wetland ecologists often recommend including an island in the middle of wetlands to increase the retention time during
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