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Suppose that, on average, 3% of the purchasers of airline tickets do not appear for the departure of their fight. Determine how many tickets should be sold for a flight on an airplane, which has 400 seats, such that with probability 0.95 everybody who appears for the departure of the flight will have a seat. What assumptions are you making?
Same as the previous option, except not using his lifeline on the 10th question, and instead applying it to the 11th question.
Two members of the department of philosophy (Locke and Kant) were responsible for hiring a new professor. Each privately ranked from 1 to 10 the ten candidates.
Specify the appropriate null and alternative hypotheses if we wish to test the research hypothesis that the mean GHQ score for all employed men exceeds 10.
a manufacturer wants to increase the absorption capacity of a sponge. based on past data the average sponge could
One hundred eight Americans were surveyed to determine the number of hours they spend watching television each month.
a taiwanese fast food chain wants to introduce its franchises into the western united states 28 different states .
Determine the probability that another random sample would lead to a sample proportion as low as or lower than the one obtained by the analyst, assuming the proportion of all mutual funds that outperformed the market is indeed 0.58.
Write a paragraph summarizing the results of the analysis and determine whether the calculated values of chi-square are statistically significant
Let E3 be the event that a heart is drawn. Let E4 be the event that a 3 is drawn. Are E3 and E4 independent events? Why or why not?
If wages were increased by $1.00, what is the expected effect on the number of complaints received per employee? How can you tell?
samples of two different types of automobiles were selected and the actual speed for each car was determined when the
Using the empirical rule what percentage of adults is 25 - 45 has iq score bet 70 and 130.
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