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a well known apple juice production company maintains records concerning the number of unacceptable containers of apple juice obtained from the filling and capping machines. based on past data, the probability that a container came from machine 1 and was nonconforming is .03 and the probability that a container came from machine 2 and was nonconforming is .07. these probabilities represent the probability of one container out of the total sample having the specified characteristics. half the containers are filled on machine 1 and the other half are filled on machine 2. If a filled container of juice is selected at random, what is the probability that is is a nonconforming container and what is the probability that is was filled in machine II?
Explain why the t distribution is used as a part of the confidence interval.
Compute the 95% confidence interval for the percent of homeowners who are dissatisfied with their homeowner's insurance policy.
Assume that the variable B is the number of years of experience. Suppose the person has 2 years of college and 7 years of experience. What should their salary be?
A question has these possible choices - excellent, very good, good, fair, and unsatisfactory. How many degrees of freedom are there using the goodness-of-fit test to the sample results?
During normal business hours on the east coast, calls to the toll-free reservation number of the Nite Time Inn that the numb roy calls per minute can be described by the Poisson distribution.
A manager of a large department store with three floors reports that the time a customer on the second floor must wait for an elevator has a uniform distribution ranging from 0 to 16 minutes. It takes the elevator 1 minute to go from floor to floo..
A survey found that 85% of women in a given city enjoy shopping online. Suppose you randomly selected 6 women from the city and ask them whether or not they enjoy shopping online. Find the probability that exactly 4 say they enjoy shopping online.
Suppose a reading between 30 and 40 is called very interesting from an archaeological point of view. Let us say you take readings at n=12 sites chosen at random.
The nighttime cold medicine Dozenol bears the label indicating the presence of 600 mg of acetaminophen in each fluid ounce of drug.
How should he go about taking samples to gather data for testing the hypotheses?
Test the hypothesis that the dogs did significantly better than what would be expected with random guessing.
Test whether the relationship between the plan at retirement and residential area using Chi square test.
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