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In a recent presidential election, 60% of the voters went Denacicratic, 40% went Republican. If Gallup took a sample of 5 voters at random, find
(a) The probability that the sample would be all Democrats.
(b) The probability that the sample would correctly forecast the election winner, i.e., that a majority of the sample would be Democratic.
(c) Id what way is a sample of 5 better than a sample of I?
Find the output autocorrelation in terms of the input autocorrelation. -- Find the output PSD in terms of the input.
The board of directors of Saner Automatic Door Company consists of 12 members, 3 of whom are women.
The election is one week away. You think you have the election sewn up, but the seem appears to be unraveling. You run a poll, draw a random sample of 500 adults.
Tickets. A delivery company s trucks occasionally get parking tickets, and based on past experience, the company plans that the trucks will average.
Using the information from above, what is the probability that fewer than 45 of the claims have been padded? Round your answer to the nearest thousandths place.
The manager of a restaurant knows from experience that 70% of the people who make reservations for the evening show up for dinner.
Insomnia and education. Is insomnia related to education status? Researchers at the Universities of Memphis, Alabama at Birmingham, and Tennessee investigated.
Calculate the actual probability model.- Compare the distribution of outcomes in your simulation to the probability model.
Be sure to specifically identify the statistical formulas and what additional data you would need to determine your estimate(s).
Give an estimate of the change in expected peak voltage with a 1% increase in light absorption. Estimate the expected value of peak voltage when % light absorption is 20.
the average annual miles driven per vehicle in the united states is 11.1 thousand miles with ? ? 600 miles. suppose
Walking to school A recent report claimed that 13% of students typically walk to school.10 DeAnna thinks that the proportion is higher than 0.13.
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