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Complete solution correct answer key A manufacturer of disk drives for notebook computers wants a MTBF of at least 50,000 hours. Recent test results for 10 units were one failure at 10,000 hrs, another at 25,000 hrs, and two more at 45,000 hrs. The remaining units were still running at 60,000 hours. Determine the following: Percentage of Failures? Number of failures per unit hour? MTBF at this point in testing?
Percentage points in either direction from what would have been obtained by interviewing all voters in the United States." Find the sample size suggested by this statement.
The probability is 1 in 4,000,000 that a single auto trip in the United States will result in a fatality. Over a lifetime, an average U.S. driver takes 50,000 trips. (a) What is the probability of a fatal accident over a lifetime? Describe your re..
The 30 members of an orchestra were asked how many instruments each could play. The results are set out in the frequency distribution. Calculate the mean number of instruments played:
select a company maybe your employer and assess how it uses data in marketing its products or services. if it is not
sixty percent of the students at a particular community college are female. if 12 students at that community college
a team of two people to be selected out of 5 men and 5 women. a random variable x is defined to be the number of men
Define the sociological perspective or imagination, cite its components, and explain how they were defended by C. Wright Mills.
What is the probability that at least one of the alterations is discovered? Find the expected value and variance of the number of altered accounts discovered during the audit.
Find out the range (R), variance (V) and standard deviation (s) for the given set of values:
The four characters required for the passcode, the first must be a number,the 2nd and 3rd must be a number. how many different passcodes can you form?
To determine whether or not they have a certain desease, 80 people are to have their blood tested. However, rather than testing each individual separately, it has been decided first to group the people in groups of 10.
As a test the truck company purchases a random sample of metal parts from Steel-R-Us, and then determines if these parts were delivered on-time. Which hypotheses should they test?
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