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A simple random sample of size n = 125 is obtained from a population whose size is N = 10,000 and whose population proportion with a specified characteristic is p = 0.2.
What is the probability of obtaining x = 30 or more individuals with the characteristic? What is P(p > 0.24)?
What is the probability of obtaining x = 15 or fewer individuals with the characteristic? What is P(p < 0.12)?
A student is taking a 10 question multiple choice quiz. There are four possible answers to each question. The student decides to guess at random on all 10 questions.
The difference between a random variable and a probability distribution is: A. A random variable does not include the probability of an event. B. A random variable can only assume whole numbers
Evaluate each expression-Diameter of a circle. If the diameter of a circle is 1.3 * 10^-12 meters, then what is the radius?
The formal addition rule expressed the probability of a or b as follows: p(a or b) =p(a)+p(b)-p(a and b). Rewrite the expression for p(a or b) assuming that the addition rule uses the exclusive or instead of the inclusive or (recall that the exclusiv..
concepts and applicationsfind the range and standard deviationold faithful geyser time intervals in minutes between
A survey for Hotels asked respondents "When traveling internationally, do you generally venture out on your own to experience culture, or stick with your tour group and itineraries?" The survey found that 23% of the respondents stick with their t..
Show the sampling distribution of line over x where line over x is the sample mean annual cost of automobile insurance.
The population is 500 pounds. At a 80% level, how many elephants need to be weighed so the average weight will be accurate to within 350 pounds?
1. what is the r value for the relationship between hamstring strength index 60degs and the shuttle run test? is this r
a businessman has two independent investments a and b available to him but he lacks the capital to undertake both of
At the .05 level, can we conclude-that women think men are less kind, gentle, and thoughtful in 2000 compared with 1990?
Average salary of $27,839 with a standard deviation of $7,400. At the 0.01 significance level, do teachers with Master Degrees have higher salaries?
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