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The probability that a house in an urban area will be burglarized is 8.5%. If 45 houses are randomly selected, what is the probability that four of the houses will be burglarized?
(a) Is this a binomial experiment? Explain how you know.
(b) Use the correct formula to find the probability that, out of 45 houses, exactly 4 of the houses will be burglarized. Show your calculations or explain how you found the probability.
Four different paints are advertised as having the same drying time. To check the manufacturer's claims, five samples were tested for each of the paints.
Independent random samples were taken from normal distributions of the yearly production of ships built by the International Ship Building Company under (1) a fixed-position layout and (2) a project layout.
The data collected was for each car for each type of fuel. Performance was measured in miles per gallon. Perform an ANOVA test and state the results.
Generate a relative frequency histogram using ten-point intervals to show the distribution of the scores.
Then, give two examples of correlation which are evaluated in a business environment and discuss the decision made by evaluating the correlation.
What is the probability of finding 1 or more children with chronic bronchitis in a population where the incidence rate of chronic bronchitis is 10% (like the one above?)
We want to know if, at the α = 0.05 level, there is sufficient evidence to conclude that the average calorie content of 1-ounce chocolate chip cookies produced by this brand is greater than 110 calories.
Use both of these facilities regularly. Given that a randomly selected member uses the tennis courts regularly, find the probability that they also use the golf course regularly.
Assume that a 95% confidence interval for the mean is 14.5
Compute the variance and standard deviation of the number that will arrive within two days.
The computed value of chi-square: Which of the following is true about the F distribution:
Data are recorded on effects of each drug. Is research division by using dependent or independent samples? Explain why?
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