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In a market, 22% of the consumers buys our product. This year 50 consumers of 200...

In a market, 22% of the consumers buys our product. This year 50 consumers of 200 have declared they will follow to buy our product. Based on the data provided here, can we conclude that the proportion of buyers has increased. Test at signficance level of 5%.

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Math   Statistics-And-Probability   
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