A plastics company has 75 employees. Management wants to gather data about working conditions. A random sample of 30 employees was selected to receive an anonymous survey. Of those selected, 22 completed the survey. In this scenario, the population is . In this scenario, the sample is .

take it another

step-by-step explanation:

the triangles are similar. therefore the corresponding sides are in proportion:

              cross multiply

            divide both sides by 32

6

step-by-step explanation:

the answer is:

the correct option is the option b.

to calculate the surface area of the right cylinder, we need to use the following formula:

from the picture we know that:

so, substituting and calculting we have:

hence, we have that the correct option is the option b.

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