Slot method
20 options
3 slots
First slot: 20 options
Second slot: 19 options (one used up for 1st slot)
Third slot: 18 (one less than last)
Multiply them
20 times 19 times 18=6840
Answer is 6840 ways
D) The given value is a statistic for the year because the data collected represent a population.
Answer:
the right answer is 1 1/2
Step-by-step explanation:
2/15 is the correct answer