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Mathematics, 13.06.2020 01:57 kamkam5791

A well-known brokerage firm executive claimed that 90% of investors are currently confident of meeting their investment goals. An XYZ Investor Optimism Survey, conducted over a two week period, found that in a sample of 700 people, 95% of them said they are confident of meeting their goals. Test the claim that the proportion of people who are confident is larger than 90% at the 0.10 significance level. The null and alternative hypothesis would be:

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