Question

Chris is completing his chores. He has two chores remaining: dusting and vacuuming. Chris is having trouble deciding which chore to complete first. Which of the following best describes a method of assuring that each chore has a fair chance of being selected to complete first?
A.
There is no way to assure that each chore has a fair chance of being selected to be completed first.

B.
Roll an ordinary die. If the die lands on an even number, dust first. If the die lands on an odd number, vacuum first.

C.
Flip a fair coin two times. If the coin lands on heads on both flips, dust first. If the coin lands on tails on both flips, vacuum first. If the coin lands on a heads on the first flip and tails on the second flip, vacuum first. If the coin lands on tails on the first flip and heads on the second flip, flip again.

D.
Roll an ordinary die. If the die lands on one, dust first. If the die lands on two, vacuum first. If the dies lands on three, dust first. If the die lands on four, five, or six, roll again.

Answer 1

Answer: c

Step-by-step explanation:

Answer 2

Answer:

B

Step-by-step explanation:

Solve everything else first. Then come back to A.

B. 1, 3, 5 and 2, 4, 6 are both consisting of 3 numbers.   Fair

C. HH=dust  TT=vacuum  HT=vacuum  TH=flip    Not fair

D. 1=dust  2=vacuum  3=dust  4, 5, 6=roll    Not fair

B is the answer

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