1. management at a retail store is concerned about the possibility of drug abuse by people who work there. they decide to check on the extent of the problem by having a random sample of the employees undergo a drug test. several plans for choosing the sample are proposed. name the sampling strategy in each. a.) randomly select an employee classification and test all the people who work in that classification - supervisors, full-time clerks, part-time clerks, and maintenance staff. b.) choose the fourth person that arrives to work for each shift. c.) there are four employee classifications: supervisors, full-time clerks, part-time clerks, and maintenance staff. randomly select ten people from each category. d.) each employee has a three-digit identification number. randomly choose 40 numbers.
a. Cluster sampling
b. Systematic sampling method
c. Cluster sampling
d. Random sampling
a) its a cluster sampling
b) we are every 4 th person it's a systematic sampling method
C) select from each cluster it's an cluster sampling method
d) we are selecting samples from random numbers so its a sample random sampling method
answer; 20% is your answer;
step by step explanation:
formula for simple intrest=
t= time (years) =20
simple intrest is always calculated on the principal value.
the line following the simle intrest is green as the amount after 20 years is $200, simple intrest= $100
rate comes out to be 5%.