content area top Part 1 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 850, with a credit score over 700 considered to be a quality credit risk. According to a survey, the mean credit score is 709.3. A credit analyst wondered whether high-income individuals (incomes in excess of $100,000 per year) had higher credit scores. He obtained a random sample of 42 high-income individuals and found the sample mean credit score to be 722.9 with a standard deviation of 83.4. Conduct the appropriate test to determine if high-income individuals have higher credit scores at the alphaequals0.10 level of significance. LOADING... Click the icon to view the table of critical t-values. Question content area bottom Part 1 State the null and alternative hypotheses. Fill in the correct answers below. H Subscript 0: mu equals 709.3 H Subscript 1: mu greater than 709.3 (Type integers or decimals. Do not round.) Part 2 Identify the t-statistic. t 0 equals enter your response here (Round to two decimal places as needed.)