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Three products compete in the same market. In 2019, market shares were distributed as follows: Product...

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Statistics

Three products compete in the same market. In 2019, marketshares were distributed as follows: Product A: 50% Product B: 15%Product C: 35%
1000 people were asked which of the three products would buy today.The answers were distributed as follows: Company A:480 CompanyB:120 Company C:400
Use an appropriate hypothesis test to test if the distributiontoday is significantly different from the distribution in 2019. Usea 5% significance level.

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