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In a random sample of 200 high school students in a city, 120 said that they are very concerned about the cost of college. Find a 99% confidence interval for the population proportion of all high school students in the city who are very concerned about the cost of college?
A smuggler places 3 narcotic tablets in a bottle of 21 vitamin pills for a total of 24 pills. If U.S. customs tests 2 pills at random what is the probability that at least 1 narcotic pill will be found?
Assume that you researched insurance industry statistics and found out that the probability of major accident is 0.06%, and that the probability of a fender bender is 0.15%. What is the expected value decision? Would you choose this? Why or why no..
the blood pressure measurements of a single patient were taken by twelve different medical students and the results are
which of the following numerical summary measures is not sensitive to outliers in a dataset?ii onlyall of thesenone of
what are the four states of the decision environment? discuss which management science techniques could be useful for
a particulate monitor has a power supply consisting of two batteries in parallel. either battery is adequate to operate
1) What is the speed of the wave pulse? 2) What is the tension in the slinky? 3) What is the average speed of a piece of the slinky as a complete wave pulse passes?
One of these has a history of selling an average of 200 items, with a standard deviation of 20. If he wants to maximize his profits, how many should he order?
Do you view a chocolate bar as delicious or as fattening? Your attitude may depend on your gender. In a study of American college students, Rozin, Bauer, and Catanese (2003) examined the importance of food as a source of pleasure versus concerns a..
Provide an example of how an ANOVA could expand on the results of a t-test. In other words, think of an example (related to the field of psychology) in which you could use a t-test, and then note how the comparison could change if an ANOVA was use..
Use these data to test whether there are any significant differences among the three age groups. Use α = .05. SSbetween= ? T2/n - G2/N = 152/3 + 122/3 + 32/3 - 302/9
A random sample of 100 items is selected from a population of size 350. What is the probability that the sample mean will exceed 200 if the population means is 195 and the population standard deviation equals 20?
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