QUESTION 3 A sample of five Fortune 500 companies possessed the following industry codes: banking, banking, finance, retail, and banking. Based on this information, which of the following statements is correct? O a. If five other Fortune 500 companies were chosen, 60% of them would be banking industries. O b. Sixty percent of all Fortune 500 companies are banking industries. OC. Banking is the most common type of industry among all Fortune 500 companies. O d. Sixty percent of the sample of five companies are banking industries.

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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.