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10 out of 105 households with pet dogs were burglarized and 24 out of 212 without pet dogs were burglarized.
If this sample data is used to test the claim that there is a difference in the proportion of homes with dogs that are burglarized and the proportion of homes without dogs that are burglarized.
What are the hypotheses for the test?
A roulette wheel has 38 colored slots-18 red, 18 black, and 2 green. To simulate one spin of the wheel, let numbers 00 to 18 represent red, 19 to 37 represent.
In a normal distribution with mean 3 and variance 49, what are the upper and lower limit scores for the middle 50% of the data?
Dr. Jones, the history professor, administers a 30-item test the first day of class to ascertain his students' initial level of knowledge of American history
Tthe sample standard deviation is 11 months. We will be using a z-test for the population mean at α = 0.05 to check the manufacturer's claim.
Assuming this rate continues, what is the probability that there will be no more than one crash in the next 50,000 flying hours?
Among 500 marriage license applications chosen at random in a given year, there were 48 in which the woman was at least one year older than the man and among 400 marriage license applications chosen at random six years later, there were 68 in whic..
Using a carefully worded sentence, report the 95% confidence interval for the percentage of students who plan to choose economics.
In 1920 the Boston Red Sox sold Babe Ruth to the New York Yankees for $125,000. Between 1920 and 2004, the Yankees won 26 World Series and the Red Sox won 1.
perform a two sided hypothesis test to see if the mean is different from 32000 the curren mean sample size30 the sample
Suppose you purchase two microwaves that were produced at the same factory, which is equally likely to have been either factory A or factory B. If the first microwave that you check is defective, what is the conditional probability that the other ..
The following are ages of 15 of the signers of the Declaration of Independence.
ACT scores are normally distributed with mean 18 and standard deviation 6. Assuming that both tests measure the same kind of ability, who has the higher score, and why?
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