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Integrated circuits from a certain factory pass a certain quality test with probability 0.8. The outcomes of all tests are mutually independent.
(a) What is the expected number of tests necessary to find 500 acceptable circuits?
(b) Use the central limit theorem to estimate the probability of finding 500 acceptable circuits in a batch of 600 circuits.
(c) Use Matlab to calculate the actual probability of finding 500 acceptable circuits in a batch of 600 circuits.
(d) Use the central limit theorem to calculate the minimum batch size for finding 500 acceptable circuits with probability 0.9 or greater.
there are 3 coins in a box. one is a two-headed coin another is a fair coin and the third is a biased coin that comes
Age 65+ Years Sample Size Mean Pain Score Standard Deviation of Pain Score New Medication 20 40.33 2.16 Standard Medication 35 59.80 2.49 Total: Age 65+ 55 52.72 9.74 1. Is there a statistically significant difference in mean pain scores between p..
Do these data lend support to this belief? Perform a significance test to answer this question. Construct and interpret a 95% confidence interval for the difference in proportions.
Create a 90% confidence interval for true mean amount of cholesterol in chicken eggs.
A) Describe the term population. B) Describe the term random sample. C) What is the difference between a population and a random sample?
question in this problem we will perform regression analysis on the sepal and petal measurements of the first 50
A hotel chain is interested in evaluating reservation processes. Guests can reserve a room by using either a telephone system or an online system that is accessed through the hotel's web site.
the waiting times between a subway departure schedule and the arrival of a passenger are uniformly distrubted btween 0
Briefly remind us of the two variables in your correlation and the operational definition of each. State the null hypothesis and the alternative hypothesis (be sure to clearly label each one) for your correlation.
Exploitron, Inc. conducts a random survey of 700 of their workers and finds that the average employee earns $31,782 per year, with a standard deviation of $622. The Census reports that the average American worker makes $30,059. The CEO of Exploitron ..
A professor is targeting a score of 80 on an exam. His forty-nine students averaged 78 on an exam with s = 7. Are the scores significantly less than 80 at a significance level of 0.05? Show your work and state the conclusion.
consider the following. give your answers correct to two decimal places.a determine the value of the confidence
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