SOLUTION: Identify probability values. Which of the following values cannot be probabilities? and why? 0, 1, -1, 2, 0.0123, 3/5, 5/3,

Question 74924: Identify probability values.
Which of the following values cannot be probabilities? and why?
0, 1, -1, 2, 0.0123, 3/5, 5/3,

Answer by bucky(2189) (Show Source): You can put this solution on YOUR website!
0, 1, -1, 2, 0.0123, 3/5, 5/3
.
All are valid probabilities except the following 3:
.
-1 is not a probability. A probability is always a positive value (zero included). It
makes no sense to say that the chances of an event occurring are minus 1 (or minus any number
for that matter.)
.
Also 2 is not a probability. The most the probability of an event occurring can be is 1
which means the event has a 100% probability of happening. But 2 is greater than 1
so it cannot be a probability.
.
Finally, 5/3 is not a probability for the same reason that 2 is not a probability.
It is greater than 1.
.
Hope this helps you understand probability a little better.
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