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
= 
%
Answer: I think the answer is B
Step-by-step explanation:
Yes, as one half or 1/2 is also 10/20. 11/20 is greater than half by a 10% margin.
70 pieces
7/10 = x/100
10*10=100
7*10 = 70
70/100
Randy's house number is 39
Explanation : We know that Randy's house number is either 29,39,59, or 79. Since his house is a composite number, we must pick the number from the following that is a composite number. 39 is a composite number, because 3 and 13 go into it
