Answer: simple random sampling
Step-by-step explanation:
- A simple random sampling is a sampling method in which individuals are chosen randomly from the population. In this each individual has equal chances to get selected.
- If N is the population size , then for any individual , the chances for getting selected is
.
As per given , the company randomly selects 50 customers directly from the database without applying any further steps and asks them about their level of satisfaction with the company.
Thus , the sampling technique used here is simple random sampling.
Answer:
Option C is correct.
Environmental regulation has led to dramatic improvements in air and water quality.
Step-by-step explanation:
- The national forests are protected from the exploitive ""dual use policy.
The dual use policy on any idea, technology, breakthrough etc. means such concept can be used for its intended purpose and for military use.
Natural forests are not excluded from this dual use policy & plenty forest exploiters hide under this policy to literally exploit natural forests.
- The Environmental Protection Agency was elevated to cabinet status in 1998 by President Clinton and the Republican Congress
This is not true as the EPA is still not a Cabinet department, but the Administrator is normally given cabinet rank.
- Environmental regulation has led to dramatic improvements in air and water quality.
Regulations have led plenty industries at the forefront of pollution to sit up and fix up. Strict laws and hefty fines have discouraged various water and air pollution means since those regulations came into place. This is the only correct statement about environmental policy amongst the options.
- Policymakers always give more consideration to environmental protection than to economic development when the two conflict.
This is true sometimes, but 'always'!? No, policymakers do not always give more consideration to environmental protection than to economic development when the two conflict.
Answer:
Option A. 0.20
Step-by-step explanation:
Observations from the given frequency table are :
Total number of beds sold at Cloud Nine Furniture = 3 + 6 + 4 + 2
= 15
Number of twin beds sold = 3
Then, probability that the next bed sold will be a twin bed,
= 0.20
Therefore, the probability that the next bed sold is a twin bed will be 0.20 or 20%.
Option A. is the correct answer.
Answer:
square root of 325
Step-by-step explanation:
Answer:
This equation has 2 solutions.
1. 
2. 
