Suppose 1,000 experts flip a coin once each year and half say the market will go up while the other half say the market will go down. After 6 years how many experts would have been correct every year?
A) 15
B) 62
C) 8
D) 31

Question

Quizplus · Accepted Answer

Each year, half of the experts are correct. After 6 years, (1/2)^6 of the original 1,000 experts would have been correct every year, which is 1,000 * (1/2)^6 = 15.625, rounded down to 15 experts.

Suppose 1,000 Experts Flip a Coin Once Each Year and Half