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The random variable X, the time to failure (in thousands ofmiles driven) of the signal lights on an automobile has a Weibulldistribution with a = 0.04 and ß = 2.
(a) Find the density, mean and variance for X.
(b) Find the reliability function for X.
(c) What is the reliability of these lights at 5,000 miles? At10,000 miles?
(d) What is the hazard rate function?
(e) What is the hazard rate at 5,000 miles? At 10,000 miles?
(f) What is the probability that the lights will fail during thefirst 3000 miles driven?
Use the sales data given below determine: a) The least square trend line.
Assume duration of human pregnancies follow mound-shaped distribution with mean of 266 days and the standard deviation of 16 days.
Select the answer for each question. What type of probability distribution can be used to figure out her chance of getting 10 questions right?
The standard deviation of 0.01 inches. What is the probability that a randomly selected pencil will be less than 0.285 inches?
The historical reports from two major networks showed that the mean number of commercials aired during prime time was equal for both networks last year.
The probability of getting a promotion and a raise is 0.25. What is the probability of getting a raise.
The probability of contracting the kissing disease is .23 when one is exposed to a certain provocative environment. Sixty people are so exposed. What is the probability that no more than 10 are infected with this dreaded disease.
the time to failure of a battery in hours of a personal handheld music device follows an exponential distribution. the
If an analysis of variance is used for the following data, what would be the effect of changing the value of M1 to 20?
explain the purpose of a null hypothesis. why are both a researchalternative hypothesis and a null hypothesis
Consider a problem where we two products: Product A (cloth bags) and product B (leather bags). Each unit of Product A that is sold produces $30 in profit and each unit of Product B that is sold produces $50 in profit.
the population of lengths of aluminum-coated steel sheets is normally distributed with a mean of 30.05 inches and a
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