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A local university is deciding between three different copy machines. The copy machines have a mean time between failure and mean time to repair as shown in the table.
MTBF MTTR
Copier A 168 hrs. 5 hrs.
Copier B 300 hrs. 8 hrs.
Copier C 48 hrs. 1 hour
What system will provide the greatest availability?
if z is a standard normal variable what is the probability p-0.73 lt z lt
What is the probability that only the first child will have cystic fibrosis? What is the probability that they will have 2 normal sons and 1 daughter with cystic fibrosis?
Transformations of Data Assume that two-way ANOVA is used to analyze sample data consisting of more than one entry per cell. How are the ANOVA results affected in each of the following cases?
answer the following questions relative to the following statementmedical inpatient unit is known to have a central
A survey is planned to determine the mean annual family medical expenses of employees of a large company. The management of the company wishes to be 95% confident that the sample mean is correct to within plus-or-minus $50 of the population mean.
a suppose you roll a special 28-sided die. what is the probability that the number rolled is a 1 or a 2?b suppose that
the variability in the value of a statistic from sample to sample is known as?characteristics of a sample are known
a study of the amount of time it takes a mechanic to rebuild the transmission for a 2005 chevrolet cavalier shows that
question a sample of 200 students in a stat class were asked how long did you sleep last night? the results are found
Refer to Exercise 10.14 (p. 578). The researchers concluded that "in order to break a water-oil mixture with ' the lowest possible voltage, the volume fraction of the disperse phase x, should be high, while the salinity x2 and the amount of su..
The number of monthly breakdowns of a super computer is a random variable having a Poisson distribution with λ = 1.8. Use the formula for the Poisson distribution to find the probabilities that this computer will function
the weights in kilograms of a group of crates being shipped to panama are 95 103 110 104 105 112 and 92. what is the
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