A well-known brokerage firm executive has indicated that 30% of investors are currently confident of meeting their
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A well-known brokerage firm executive has indicated that 30% 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 400 people, 38% of them said they are confident of meeting their goals. Test the claim that the proportion of confident people is larger than 30% at the 0.01 significance level
What is the P-VALUE using TI-84
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