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A factory has 20 assembly lines producing a popular toy. To inspect a representative sample of 100 toys, quality control staff randomly selected 5 toys from each line's output. Was this a simple random sample?a) no, because not all combinations of 100 toys could have been chosenb) yes, because a stratified sample is a type of simple random samplec) yes, because the toys were selected at randomd) yes, because each toy produced had an equal chance to be selectede) no, because toys do not come off the assembly line at random
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