Based on a random sample of size 49, the National Center for Education Statistics states that the average number of years it takes to complete a bachelor's degree is 5.15 with s  0.68 years. Use this data to test a guidance counselor's claim (  0.02 ) that on average it takes 5 years to complete a ba

Question 2 Question 4 Income Income Poverty line is at $12. Based on the table above, what is the Poverty Gap Index (PGI) in 2020? Round to two decimal places and leave the answer with percentage. (e.g. report 35.95 if you believe PGI - 35.95%) Pre- during the Person pandernic pandenic (2019) (2020) Note: Don't round your result until the final step. A 7 3 10 4 15 30 D 4 E 6 2 F 12 11 18 23 Question 5 14 17 Total 86 90 Poverty line is at $12. Based on the table above, what is the percentage change in Poverty line is at $12. Based on the above table, with reference to the pre- FGT2 from 2019 to 2020? Round to two decimal places and leave your answer with pandemic(2019) and the post-pandemic(2020) income levels, The Headcount Index percentage. (e.g. If you believe FGT2 increase 99.99% from 2019 to 2020, enter "99.99" in the blank) does NOT change from 2019 to 2020. Note: 1. Don't round your resuilt until the finat step. O True 2. E.g: percentage change of GDP from 2019 to 2020 equals the…

A random sample of 160 commercial customers  revealed that 32  had paid their accounts within a month of billing. Can normality be assumed for the sample proportion?

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 704.5. 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 36 high-income individuals and found the sample mean credit score to be 714.9 with a standard deviation of 81.7. Conduct the appropriate test to determine if high-income individuals have higher credit scores at the a = 0.05 level of significance. State the null and alternative hypotheses. Ho: H V H1: H V (Type integers or decimals. Do not round.) Identify the t-statistic. to (Round to two decimal places as needed.) Identify the P-value. P-value = (Round to three decimal places as needed.) Make a conclusion regarding the hypothesis. V the null hypothesis.…