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You have been assigned the job of creating an experiment The module consists of- A battery- A back-up battery- A measurement module for the experiment- A data recording module
Reliability functions are as follows:- The reliability function for the battery is linear; and the battery will have failed after 5000 hours.- The reliability function for the back-up battery is also linear; unfortunately, this battery will have failed after 2500 hours.- The measurement module has an instantaneous failure rate of 0.0002 failures/hour (constant rate)- The recorder has an instantaneous failure rate of 0.0002 failures/hour (constant rate).
What is the probability that the system is functioning after 1000 hours? (Show work).
Public transportation and the automobile are two methods an employee can use to get to work each day. Samples of times recorded for each method are shown. Times are in minutes.
Each scenario involves randomly selecting n i observations from four, independent, Normal populations as described.
Compute the pdf of continuous random variable Z where Z = X + Y and X is a continuous random variable uniformly distributed on [0, 2] and Y is a continuous random variable uniformly distributed on [0, 4]. Assume that X and Y are independent.
Give all steps of a test of the hypothesis that the corresponding population proportions are equal.
A researcher administers a treatment to a sample of participants selected from a population with µ = 80. If the researcher obtains a sample mean of M = 88, which combination of factors is most likely to result in rejecting the null hypothesis?
Suppose that 20 students have registered for course this semester. Determine the probability that two or fewer will withdraw? Determine the probability that exactly four will withdraw?
What statistical test did the researchers use to determine if there was a statistically significant difference in levels of self-esteem between the boys and the girls?
At 5 % level of significance, does this sample prove violation of the guideline that average patient muts pay no more than $250 out-of-pocket? Is this a close decision?
Is the hot-air balloon significantly shorter than light rail? How can you tell? What do you tell university officials?
Which is the estimated or dear proportion of defective cups in the population?
A survey of 300 union members in New York reveals that 112 favor the Republican candidate for governor. Construct the 98% confidence interval for the true population proportion of all New York State union members who favor the Republican candidate..
To be from the same population? You may assume the that follows a normal distribution. values are: 2.13 1.31 1.91 1.92 1.77 1.64 2.29 1.99 2.33 2.49 2.22
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