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A survey found that women's heights are normally distributed with mean 63.9in and standard deviation 2.3in. A branch of the military requires women's heights to be between 58in and 80in.
Find the percentage of women meeting the height requirement. Are many women being denied the opportunity to join this branch of the military because they are too short or too tall?
If this branch of the military changes the height requirements so that all women are eligible except the shortest 1% and the tallest 2%, what are the new height requirements?
an instructor has given a short quiz consisting of two parts. for a randomly selected student let x the number of
Multiple choice questions based on F-distribution.
the cost of a one-carat vs2 clarity h color diamond from diamond source usa is 5600 diamond source website march 2003.
Construct a 95% confidence interval for the population mean, μ. assume the population has a normal distribution. In a random sample of 26 computers.
The U.S. Bureau of Prisons publishes data in Statistics Report on the times served by prisoners released from federal institutions for the first time.
The following data were obtained from an independent measures study. Determine if there is a significant difference between the treatments. Use a significant level of .01.
Your office has just received 128 insurance claims to be processed in the next few days. What is the probability that half or more of the claims have been padded?
1 the cincinnati enquirer reported that in the united states 66 of adults and 87 of youths ages 12 to 17 use the
Based on a survey of over 10,000 households, the number of televisions in the home was recorded as given in the table below. Based on the data, find the expected number of televisions in a home.
the personnel manager at a company wants to investigate job satisfaction among the female employees. one evening after
Calculate the mean, median, and standard deviation for ounces in the bottles and construct a 95% Confidence Interval for the ounces in the bottles.
question john smith needs to decide where to get a haircut. he decides to pick one based on how much time he has to
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