In a Random Sample of 341 U

question 57

Multiple Choice

In a random sample of 341 U.S.companies, the average number of paid sick days allowed company employees was 18.65.The margin of error was reported as 1 day, at the 95% confidence level.Show the upper bound for the 95% confidence interval estimate of the average number of paid sick days allowed employees by the population of all U.S.companies.

• A)18.76
• B)20.34
• C)19.65
• D)18.08
• E)19.13

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Definitions:

Meristem

Zone of undifferentiated parenchyma cells, the divisions of which give rise to new tissues during plant growth.

Secondary Xylem

The part of a plant that contributes to wood formation, responsible for water transport and structural support.

Cork Cambium

Lateral meristem that produces cork.

Primary Xylem

The first-formed xylem in a plant, responsible for water and mineral transportation, and it contributes to the plant's structural support.