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A sample space has three possible outcomes, B, C, and D. It is known that P(C) = P(D). The operation of the chance mechanism is simulated 10,000 times (runs). The sorted frequencies of the three outcomes (B, C, and D) are: 2322, 2360, and 5318.
(a) What is your approximation of P(B)? To receive credit you must explain your answer.
(b) What is the best approximation of P(C)? To receive credit you must explain your answer.
Below are scores for 10 randomly selected students on each exam. 95% confidence interval for the mean scores on?
suppose that a device stops working if one of its five components fails and suppose that the lifetimes of the five
find the following z-scores for the standard normal distribution. round to three decimal places.1. z0.152.
What is the probability a randomly chosen CD is not perfect? If the disk is not perfect, what is the probability it cannot be used at all?
Consider an rv X with mean m and standard deviation s, and let g(X) be a specified function of X. The first-order Taylor series approximation to g(X) in the neighborhood of m is
What would you suggest to be the appropriate statistic tests to use and why ? Any suggestions on stating the hypothesis in a more professional manner?
Shortest Path Problems with Losses) Consider the shortest path-like problem of Exercise 2.31 where a vehicle wants to go on a forward path from an origin node 1 to a destination node t in a graph with no forward cycles, and for each arc there is a..
Assuming that the process is operating correctly according to specifications, what is the probability that a sample will indicate that an adjustment is needed?
Find the probability X takes on a value smaller than the mean.- Using the probability distribution, explain why the value of the mean of X makes sense.
Determine the interval width and the class mark for each of the classes in your frequency distribution.- Based on the frequency distribution obtained in part (b), draw a histogram and a relative frequency polygon.
epidemiologists control for variables such as confounding and random error by carefully developing research studies.
Determine a 90% confidence interval on difference in mean number of production units for two shifts. Compute 99% confidence interval for part A.
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