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The inmates at Oklahoma prison make an average of 437 license plates pr day. The warden feels that their production should be higher and suspects that the inmates are wasting a lot of time n the job. In order to test his opinion, he obtains the mean license plate production for a sample of nine other prisons in the state. data below:
452, 440, 464, 461, 435, 439, 449, 459, 446
Based on the data, can the warden reject the null hypothesis that the inmates are no less productive in making license plates than are the inmates at other prisons?
the weights of envelopes sent from an insurance office are normally distributed with mean 12 ounces and standard
in an experiment to learn if substance m can help restore memory the brains of 20 rats were treated to damage their
refer to the following frequency distribution for questions 1 2 3 and 4.the frequency distribution below shows the
houses with and without air conditioners on nine different streets in a certain city are shown below. test at the 5
angioplasty is a medical procedure in which an obstructed blood vessesl is widened. in some cases a wire mesh tube
A company has established a goal of processing 95 percent of its orders on the same date of receipt. However, only 485 out of 500 orders were actually processed on the same day
If the manufacturer guarantees the terminals for 3 years (and will replace them if they malfunction), what percentage of terminals will be replaced?
A personnel manager has a computer-generated list of all employees that indicates that 70 percent are full-time employees, 20 percent are part-time employees, and 10 percent are furloughed or laid-off employees.
Find the probability that a randomly selected bolt can be used (either immediately or after being cut). Find the probability that fewer than 15 out of 20 bolts can be used.
which of the following statement are false about the chi-suared distribution with v specific valuedegrees of freedom?a
"Suppose that we conducted a survey in which we asked 800 people the following question: "In the event of an emergency, would you seek medical assistance at the emergency room of our hospital?"
Let p represent the population proportion of all numbers in the corporate file that have a first nonzero digit of 1. Test the claim that p is less than 0.301 by using What is the value of the test statistic?
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