An insurance company divides the population of drivers into three groups (under 25 years of age, 26-64 years of age and over 65 years of age). The insurance company randomly selects a sample of 150 drivers under 25 years of age, a sample of 300 drivers aged 26-64 and a sample of 200 drivers over 65 years of age. What sampling technique was used

step-by-step explanation:

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)