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Suppose that the time between two consecutive events for the renewal process {N(t), t ≥ 0} is equal to 1 with probability 1/2 and equal to 2 with probability 1/2.
(a) Give a general formula for the probability P[N{2n) = k], where n and k are positive integers.
(b) Calculate mN(3).
What is CPI? Given that the CPI trends for travel time for 2010 and this year are 183.42 and 191.35 respectively, calculate the current value of travel time if it was $24.50 per hour in 2010.
With y 5 percent of sales quota, perform a linear regression using the other variables as predic- tors. Interpret the partial regression coefficients and the R2 value for the model. At the 0.05 level, is the model significant?
When trucks arrive at the Ambassador Bridge, each truck must be checked by customs agents. The times are exponentially distributed with a service rate of 10 per hour. What is the probability that a truck requires more than 15 minutes to be checked..
select a company maybe your employer and assess how it uses data in marketing its products or services. if it is not
In the following questions, you should demonstrate your understanding of sampling distribution:
A personnel manager is concerned about absenteeism. She decides to sample the records to determine if absenteeism is distributed evenly throughout the six-day workweek.
The useful life (in hours) of a certain kind of integrated circuit is a random variable having the probability density
company w is testing a sales software. their sales force of 500 people is divided into four regions northeast southeast
Discuss examples where you would use test of hypothesis at your personal or professional life, in your education or society for the following situations:
It is known that 60 percent of all registered voters in the 42nd congressional District are Republicans. There registered voters are selected at random from the district. Compute the probability that exactly 2 of the 3 selected are Republicans, u..
The lapping process, which is used to grind certain silicon wafers to the proper thickness, is acceptable only if 'sigma', the population standard deviation of the thickness of dice cut from the wafers, is at most 0.50 mil.
By taking the Laplace transform and using the convolution theorem, obtain the solution of the integral equation f(t) = 1+t+int[(t-u)f(u)du,u=0..t)
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