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In a plant that makes ball bearings? samples are routinely subjected to a stringent crushing test. A sampling inspection scheme is required such that if out of a random simple of n bearings more than y fail the batch is rejected. Otherwise it is accepted. Denote by p the proportion of bearings in a large batch that will fail the test. It is required that there be a 95% chance of accepting a batch for- which p is a'i low as 0.3 and -a 95% chance of rejecting 3 batch for which pisas high as 0.5. Using the normal approximation, find values of n and y that will be satisfactory.
Statistician has a data set containing n1 = 7 values of a random variable X and n2 = 6values of a random variable Y . She is interested in using the run test to test the equality ofthe distribution functions.
In a randomized clinical trial of timolol vs. placebo in patients surviving acute myocardial infarction, the total deaths at an average of 24 months after treatment were found to be 65 out of 720 in the Timolol group and 112 out of 860 in the plac..
Doug has defined the event "It will rain" like this: Today, it will either rain or it will not, but not both. He calls the weather service and they say.
How many measurements should be made in order to be 90% certain that the maximum error of estimation will not exceed 2.0 seconds?
What is coefficient of determination? Calculate F statistic. (Hint: You must complete the table to answer the question.)
Florida State University administers a mathematics placement test to students where they 1st enter the university.
Assuming a normal distribution, what is the probability that a randomly chosen customer experiences "arrival-to-service complete" time between 79 and 107 minute
Ppurpose of determining the roommates. If the pairing is done at random, what is the probability that there are no offensive-defensive roommate pairs?
in a study conducted to investigate browsing activity by shoppers each shopper was initially classified as a in a study
Discuss the background material leading to the Declaration of Independence. This material breaks down into two areas of ( 1) external and (2) internal factors. Discuss the debate and factors that led to the colonies to finally declare their indep..
Compute the minimum amount of steel that should be stocked in the warehouse at the beginning of each month, such that the company will be able to accomplish goal and In other words, the company would still like to see no customers lacking steel..
Is there solid evidence that the earth is getting warming? 69% of 731 male resondents answered yes and 70% of 770 female respondents answered yes.
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