A credit score is used by credit agencies [such as mortgage companies and banks} to assess the creditworthiness of individuals. Values range from 300 to 350, with a credit score over T00 considered to he a quality credit risk. According to a survey, the mean credit score is 3'07}. A credit analyst wondered whether highincome individuals (incomes in excess of $1 00,000 per year) had higher credit scores. He obtained a random sample of 3-4 high-income individuals and found the sample mean credit score to be ?19.1 with a standard deviation of 81.6. Conduct the appropriate test to determine if highincome individuals have higher credit scores at the t1= 0.05 level of signicance. State the MI and alternative hypotheses. H041 Y H141 1' (Type integers or decimals. Do not round.)