The building below is shown to scale; for every 1 inch of drawing, it is 5 feet in actual distance. The exterior surface area of
the building is 250,000 square feet. What is the exterior surface area of the model?
1 answer:
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Answer:
The percentage of workers not wearing the helmets is 5.3 %.
Step-by-step explanation:
A safety committee randomly examined 900 construction workers during their work, and found that 48 workers were not wearing helmets. Estimate the percentage of workers who do not wear protective masks during their working time with 98% confidence
total workers = 900
Not wearing helmet = 48
Percentage which are not wearing the helmets
= %