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An automated filling process used by a soft drink manufacturer fills bottles marked as containing 32 ounces. The amount, X, in the bottles is assumed to be a normally distributed random variable. To monitor the process, a random sample of 25 bottles is selected each day and the average amount in the bottles is computed. For a particular hour, the average amount in the 25 bottles in the sample is 33.2 ounces with s = 2.6 ounces. What will be the value of the margin of error for a 95% confidence interval for the population mean amount in the bottles?
the life in hours of a magnetic resonance imagining machine mri is modeled by a weibull distribution with parameters
Testing for population mean - How would this information be useful to you if you were the college register?
What is the standard error of estimate and suppose a large sample is selected and about 95 percent of the predictions would be between what two values.
An experiment with three outcomes has been repeated 50 times, and it was learned that E1 occured 20 times, E2 occured 13 times, and E3 occured 17 times.
Find the discrete probability distribution for the random variable X and compute the corresponding mean and standard deviation.
1.) A doctor claims that the standard deviation of systolic blood pressure is 12 mmHg. A random sample of 24 patients found a standard deviation of 14mmHg. Assume the variable is normally distributed. At a=0.01, what are the critical chi square..
The city council of Pine Bluffs is considering increasing the number of police in an effort to reduce crime. Before making a final decision,
A mean of 400 labour hours and a standard deviation of 100 labour hours. What is the probability that the bridge gets constructed between 350 and 450 hours?
The manufacture of the X-15 steel belted radial truck tire claims that the mean mileage the tire can be driven before the tread wears out is 60,000 miles.
Sun Microsystems has approximately 50% of the high-end Unix machines market with its closest competitor being IBM. Suppose that 15 firms were in the market to purchase a high-end Unix machine. Assume that these firms listened to sales pitches by a..
A certain type of injury has tangible costs of $40,000 per occurrence and intangible costs of $150,000 per occurrence. Perform a cost/benefit analysis to weigh the benefits of the proposed safety glasses policy against its expected costs.
statistics application evaluation criteriause this rubric for the following applications factorial anova week 3 anova
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