Answer: Yes it does
Step-by-step explanation:
The investment advisors say that the market rarely declines three years in a row.
Since 1872, it has declined two years in a row 8 times and three years in a row, only twice.
This means out of 8 times, it declined twice. Percentage of times it declined was:
= 2 / 8 * 100%
= 25%
25% while not rare, is a good enough percentage to trust the advice of the investment advisors.