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The U.S. Bureau of Labor Statistics collected data on the occupations of workers 25 to 64 years old. The following table shows the number of male and female workers (in millions) in each occupation category (Statistical Abstract of the United States: 2002)
(see chart in the attached file)
a. Develop a joint probability table
b. Determine the probability of a female worker being a manager or professional.
c. Determine the probability of a male worker being in precision production.
d. Determine if occupation is independent of gender. Justify the answer with a probability calculation
find the diamter of a pipe where p1-p2 is 55 psi and the height rise along the pipe is 60 ft or h2-h1 60 ft the exit
Suppose we wish to estimate the true population of HSB students who own cars. We randomly sample 100 HSB students and find 20 students own a car.
If all 3 eggs are good, the crate is shipped, otherwise it is rejected. what is the probability that a crate will be shipped if it contains 120 eggs, ofwhich 10 have blood clots?
The regional tupperware dealers earned these commissions last month: what was the mean commision earned? round your answers to the nearest cents.
State the alternative hypothesis that would be used to determine if Brand A has a higher proportion of defective smoke detectors than Brand B. Calculate the test statistic for determining if a difference exists between the failure rates of the two..
Use the normal distribution of SAT critical reading scores for which the mean is 507 and the standard deviation is 121. Assume the variable x is normally distributed.
What is the probability that an account is paid off in less than 13 days? Find the 95th percentile for the payoff time- that is, a time for which 95% of the accounts are paid off in less than that time
a random sample of 36 radio stations is selected in order to estimate the avaerage charge for the same fixed-length
What is the probability that the majority of the selected parents put their children who are under the age of 6 in car seats?
Research on new juvenile delinquents revealed that 38% of them committed another crime. What is the probability that 40 or fewer of the delinquents will commit another crime?
When a directional hypothesis is being tested and the rejection region is on the right of the mean, then the alternate hypothesis must be of the form:
if the invasive tree known as european buckthorn is randomly distributed in a degraded forest at a rate of 5 trees per
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