Nationally, patients who go to the emergency room wait an average of 7 hours to be admitted into the hospital. Do patients at rural hospitals have a different waiting time? The 10 randomly selected patients who went to the emergency room at rural hospitals waited an average of 6.9 hours to be admitted into the hospital. The standard deviation for these 10 patients was 1.3 hours. What can be concluded at the the a = 0.05 level of significance level of significance? a. For this study, we should use t-test for a population mean b. The null and alternative hypotheses would be: Họ: ?♥||Select an answer♥ Hj: ?v|| Select an answer♥ c. The test statistic ?v = (please show your answer to 3 decimal places.) d. The p-value = (Please show your answer to 4 decimal places.)

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A: The given vectors  and .The aim is to find the value of the dot product .

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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.