Mathematics, 30.08.2019 22:30 red21120p718de
The quality control officer at a manufacturing plant needs to determine what percentage of items in a batch are defective. the following are different sampling techniques that could be used by the officer. classify each as simple random sample, stratified sample, systematic sample, cluster sample, or convenience sample.
a. the officer lists all of the batches in a given month. the number of defective items is counted in randomly selected batches.
b. the officer takes the first 10 batches and counts the number of defective items.
c. the officer groups the batches made in a month into which shift they are made. the number of defective items is counted in randomly selected batches in each shift.
d. the officer chooses every 15th batch off the line and counts the number of defective items in each chosen batch.
e. 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.
Answers: 2
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Select all the expressions that will include a remainder.
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Mathematics, 21.06.2019 21:00
Deepak plotted these points on the number line. point a: –0.3 point b: – 3 4 point c: – 11 4 point d: –0.7 which point did he plot incorrectly?
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Mathematics, 21.06.2019 21:30
Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?
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