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A computer repair shop gets computers on regular basis for repairs. The repair time between two computers is exponentially distributed with mean time between repairs of two computers being 2 hours. Find the conditional probability that a repair of a computer takes at least 10 hours given that duration of the repair exceeds 9 hours. Re-compute the answer if distribution of repair time is assumed to be uniformly distributed between 0 and 20 hours.
Please show and clearly explain work for better understanding.
In a group of six professors selected at random, what is the expected number of extroverts? What is the standard deviation of the distribution?
Four research participants take a test of manual dexterity (high scores mean better dexterity) and an anxiety test (high scores mean more anxiety). The scores are as follows.
Create a 2 X 2 from the information provided and calculate the appropriate statistic to determine the odds of contracting uterine cancer when using estrogen
Calculate the paired sample t statistic for these mood scores and How has the relation between the mean and the median changed? What does this suggest about the distribution of the transformed data?
How would you explain to another student the difference between compound interest and continuous compound interest to a friend?
What is correlation analysis? How can correlation analysis be used in a business decision or examples specifically related to strategy formulation and implementation?
in order to determine an interval for the mean of a population with unknown standard deviation a sample of 61 items is
Find the probability that the injured person is female. P( P( )=? E. Find the probability that the injured person is female and was hurt at work. P( P( )=? F.
Find the probability of an untrained dog performing as well as Maggie. Is it unusual for an untrained dog to do as well as Maggie?
Construct a 98% confidence interval for the population mean and interpret the result (round margin of error E to the nearest dollar).
A sample of 60 smokers has a mean cotinine level of 125. Assuming that sigma=25, find the 90% confidence level estimate of the mean cotinine level of all smokers.
please identify the two variables and then state which is independent and which is the dependent variables in the
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