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:
C
Step-by-step explanation:
If a number is to the power of a negative number, then it is just that number's reciprocal: e.g. y⁻ˣ = 
Therefore, m⁻² will be m² in the denominator, as n⁻³ will be n³ in the numerator.
That will look like
.
So, that is C.
The correct answer would be C.) 8C3 = 8!/(5!)3!.
i think its 52 miles.
the fraction of the time is 4/5 which is .8 so
65 * .8 = 52
i hope this helps :)