EXERCISE 1.4 Direction: Solve the following and write your complete solution. 1. In a medical examination, 300 people undergo a height measurement and was found out that the average height of all are 150cm. If the standard deviation is 19, find the number of people that fall under the given conditions: a. With height less than 132cm h With hejeht from 140cm to 180cm

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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.