Question: solve it In 2017, the average credit score for loans that were purchased by a government-sponsored mortgage loan company was 744. A random sample of

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In 2017, the average credit score for loans that were purchased by a government-sponsored mortgage loan company was 744. A random sample of 35 mortgages recently purchased by the company was selected, and it was found that the average credit score was 755 with a sample standard deviation of 22. Complete parts a through c. a. Using a = 0.05, is there enough evidence from this sample to conclude that the average credit score for mortgages purchased by the company has increased since 2017? Determine the null and alternative hypotheses. Ho : H $ 744 Hy: H 744 (Type integers or decimals. Do not round.) Determine the appropriate critical value. Select the correct choice below and fill in the answer box within your choice. (Round to three decimal places as needed.) OA. it2= 1 OB. to = OC. - t=

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