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For a sample of n=36 women, their mean pulse rate is 76 and the standard deviation of the individual data is SD = 12. Calculate the margin of error that would be used to determine a 95% confidence interval for the mean pulse rate of all women.
The Federal Government recently granted funds for a special program designed to reduce crime in high-crime areas. A study of the results of the program in eight high-crime areas of Miami, Florida, yielded the following results.
The number of UFO (Unidentified Flying Object) sightings per week in Roswell, NM is a random variable with the cumulative distribution function given below.
A random sample of 60 days shows that the mean daily number of gallons sold is 10.00. What is the point estimate of the population mean?
Find the probability and mean and standard deviation for given data under Binomial distribution.
A logistic regression model was used to assess the association between CVD and obesity. P is defined to be the probability that the people have CVD.
A shipment of 150 television sets contains three defective units. In how many ways can a vending company buy three of these units and receive (a) no defective units, (b) one defective unit, and (c) at least two good units?
Calculate the population mean and population standard deviation.
A population of data from a paper supply company is known to have a mean weight of 55 ounces per ream and a population standard deviation of 5 ounces. The population is known to be bell shaped and symmetrical.
A random sample of 85 group leaders and supervisors revealed that they worked an average of 6.5 years before being promoted. The population standard deviation was 1.7 years. Using the 0.95 degree of confidence, what is the confidence interval for ..
Will the distribution of x bar always be approximately normally distributed, or does it depend on the distribution of the population?
What is the probability that the shipment will be rejected? If the retailer inspects 6 of the CD shipment what is the probability that the shipment will be accepted?
What is the probability that exactly 7 cabinets are defective? What is the probability that there are more than 8 defective file cabinets?
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