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A well-known brokerage firm executive claimed that 20% of investors are currently confident of meeting their investment goals. An XYZ Investor Optimism Survey, conducted over

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A well-known brokerage firm executive claimed that 20% 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 100 people, 26% of them said they are confident of meeting their goals. Test the claim that the proportion of people who are confident is larger than 20% at the 0.05 significance level. The null and alternative hypothesis would be: Ho:p = 0.2 Ho:/ = 0.2 Ho:p 0.2 Hi:p / 0.2 Hi:p / 0.2 H1:p > 0.2 H1: / > 0.2 Hi :p

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