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The heights of young adult females in the Unites States are said to have a population standard deviation of sigma = 2.6 inches. A sample was taken of N = 85 young adult females at BYU-I and the mean computed to be X bar = 65.4 inches.
Determine the point estimate, then construct the 95% confidence interval for = the average attitude toward Springdale Mall. What is the maximum likely error in the point estimate of the population mean?
at a large university it is known that 50 of the students live on campus. the director of student life is going to take
Using both an influence diagram and a decision tree, structure Hart's decision. What is the main source of uncertainty that he faces? Are there conflicting objectives, and if so, what are they? What do you think he should have done? (He decided to..
Give a chart that compares the proportion of the 3 different tv show endings - How much you would pay for each of the different endings - Test the claim that variable ending type is independent of the variable
An economist wishes to estimate the average family income in a certain population. The population standard deviation is known to be $4,500, and the economist uses a random sample of size = 225.
The post anesthesia care area (recovery room) at St. Luke's Hospital in Maumee, Ohio was recently enlarged. The hope was that with the enlargement the mean number of patients per day would be more than 25.
a trick coin has been weighted so that the probability of heads is 0.8 and the probability of tails is 0.2.a. if you
Suppose that 30% of all small businesses are undercapitalized. Forty percent of all undercapitalized small businesses fail and 20% of all small businesses that are not undercapitalized fail. A small business is chosen at random. The probability th..
statistics softwarea statistics professor has observed that for several years about 13 of the students who initially
Find the probability value of H0:u 2.8 distribution with 10 banks giving stats of 5.7, 4.8, 6.0, 4.9, 4.0, 3.4, 6.5, 7.1, 5.3, 6.1 which gives us H1:u 5.38.
sixty people will board a regional jet. the mean weight of the population is 150 pounds with a standard deviation of 30
the financial department at a large hospital would like to estimate the average outstanding balance owed by patients
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