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Question: 1. For X ~ exponential (λ), determine P (X ≥ 1/λ), P (X ≥ 2/λ).
2. Twenty "identical" units are put into operation. They fail independently. The times to failure (in hours) form an iid class, exponential (0.0002). This means the "expected" life is 5000 hours. Determine the probabilities that at least k, for k = 5; 8; 10; 12; 15, will survive for 5000 hours.
for a t random variable with 5 degrees of freedom find a such that pt gt a .975. answer to three decimal places and
If the data were collected for a sample of 50 households rather than 100, develop an 85% confidence interval estimate of the population mean annual amount spent, assuming the population has a normal probability distribution.
In chapter 9 we learned that it is possible to use a sample of observations to make inferences about an entire population, or as Hubbard puts it "How observing some things tells us about all things."
q1. determine the value of the coefficient of correlation for the following datax15829687110436y349510301322550q2. a
QUALITY CONTROL Electronic baseball games manufactured by Tempco Electronics are shipped in lots of 24. Before shipping, a quality-control inspector randomly.
Where does the p-value come from for the spatial scan statistic used in SaTScan? Explain how Monte Carlo simulation is used to derive a p-value for a cluster.
The figure below shows the graphs of the probability density functions for the random variable X, the random variable x‾ for n = 5, and the random variable x‾ for n = 15.- Identify each probability density function.
Design a circuit based on the topology of the noninverting amplifier to obtain a gain of +1.5 V/V, using only 10-kΩ resistors. Note that there are two possibilities. Which of these can be easily converted to have a gain of either +1.0 V/V or +2...
In a bid to arrest accelerated deterioration, the owner of a large network of steel railway bridges considering the adoption of Ultrex, a patented coating material, for spray application on all 3520 steel bridges in the state. You have been consu..
The probability of winning the grand prize at a particular carnival game is 0.005. Michele wins the grand prize. Is this considered a rare or common event? Why?
Estimate the true mean price for this particular model with 95% confidence?
tudent from the high school is arbitarily selected. Reply the following questions: Determine the probability that the student's ACT score is less than 22?
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