QUESTION 5 For inspection level IV and lot size 500, what is the sample size code letter to use for selecting a sampling plan from the MIL STD 414? O G OL Он ΟΙ
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- The human resource department at a certain company wants to conduct a survey regarding worker benefits. The department has an alphabetical list of all 3207employees at the company and wants to conduct a systematic sample of size 40. Question content area bottom Part 1 (a) What is k?Question Help v An advocacy organization surveys 967 citizens of country A and 182 of them reported being born in another country. Similarly, 174 out of 1241 citizens of country B reported being foreign-born. The researchers want to test if the proportions of foreign born are the same in country B as in country A. Complete parts a through c below. a) What is the difference in the sample proportions, p1 -p2, of foreign born residents from both countries? Assume p1 is the proportion of foreign born residents from country A and p2 is the proportion of foreign born residents from country B. The difference in the sample proportions, p1- P2, is (Round to three decimal places as needed.)2. State the type of sample being collected (SRS, stratified, systematic, cluster, convenience, census): The quality control officer at a manufacturing plant needs to determine what percentage of items in a batch are defective. The officer divides the batches made in a month into which day they were made. Then certain days are picked and every batch made that day is counted to determine the number of defective items.
- Identify the population and propose an appropriate sample for the following survey question: How do the parents of the students at Rosedale Academy feel aboout visiting Canada? 1. State the population 2. State a specific an detailed sample2. State the type of sample being collected. The quality control officer at a manufacturing plant needs to determine what percentage of items in a batch are defective. The officer chooses every 15th batch off the line and counts the number of defective items in each chosen batchToxic waste The Environmental Protection Agency took amap of a region near a former industrial waste dump andplaced a grid of 552 squares on it. They randomly selectedany 16 of those squares from which to collect soil samplesand checked each for evidence of toxic chemicals.a) What type of sampling did they use?b) Is there any sort of bias associated with this samplingprocedure?c) One researcher suggests that plots closer to the olddump site could contain more contaminants than thosefarther away. How could the sampling procedure beimproved to take this into account?
