A large company wants to find out what team-building activity its employees prefer. Which of the following samples can give the most valid generalization?(1 point)

Responses

all 624 female employees in the company
all 624 female employees in the company

all employees who have worked in the company for 5 years or more
all employees who have worked in the company for 5 years or more

400 randomly chosen employees from the list of all employees
400 randomly chosen employees from the list of all employees

a group with one member from each department

3 answers

a group with one member from each department
A hotel maintenance crew wants to estimate how many of the 12,000 lamps in their 30-story hotel need a new light bulb. Which of the following is a random sample of lamps to be inspected?(1 point)
Responses

all lamps from the rooms with king-sized beds
all lamps from the rooms with king-sized beds

400 lamps on the first 10 floors
400 lamps on the first 10 floors

all lamps in booked rooms
all lamps in booked rooms

100 lamps on each floor chosen randomly
100 lamps on each floor chosen randomly