SOLUTION: Hi , I need a help ! Please solve it....tutor An investigator follows the stock market and is particularly interested in the Dow-Jones Industrial Index. Consider the following

Algebra ->  Probability-and-statistics -> SOLUTION: Hi , I need a help ! Please solve it....tutor An investigator follows the stock market and is particularly interested in the Dow-Jones Industrial Index. Consider the following       Log On


   



Question 318269: Hi , I need a help ! Please solve it....tutor
An investigator follows the stock market and is particularly interested in the Dow-Jones Industrial Index. Consider the following two outcomes :
A: At the close of trading today , The Dow-Jones index will be higher than at yesterday close .
B: At the close of trading today , the Dow -Jones index will not be higher than at yesterday close .
Are the two events are mutually exclusive and exhaustive ? Give your logic .
Thanks a lot .
Best Regards,
DarKsaInt

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Yes, the average is either be higher or not higher.
There are no other possible choices for the average.