Question Help▼ A math teachor claims that she has developed a review course that increases the scores of students on the math portion of a college entrance exam. Based on data from tho administrator of the exam, scorec ar nomally distnbutud with p=512. The teachor obtains a random sample of 2200 students, puts thom through the review class, and finds that the moan math score of the 2200 studento is 519 with a standard deviation of 117. Complotu parte (a) through (d) below (a) Stato the null and alternative hypotheses. Let u bo the moan scoro. Choose the correct answer bolow O A. Ho: =512, H, p4512 O B. Hn <512, H, >512 c. Ho: -512, H,: > 512 O Đ. Họ >512. H, p4512 (b) Test the hypothesis at the u-0 10 lovel af significance le g mean math store of 519 slatisfically signihcantly higher than 512? Conduct a Irypothesis test using tho P-value approach. Find the toct statistic. (Round to two decimal places ao needed)

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Matrices

‘Matrices’ is the plural form of the word matrix, and it is basically a spreadsheet in the form of a box. In mathematics, various functions can be carried out with matrices. Generally, a matrix comes in the shape of a square or rectangle. The elements are distributed horizontally in the form of rows, and vertically in the form of columns.