Answer:
Option C. 
 is the correct option.
 is the correct option.
Explanation:
In the given question numbers marked on a spinner are given = 8
Out of these numbers marked on spinner number of vowels are = 3
Therefore the sample set n(S) is = 8 
and the favorable events are n(E) = 3.
As per rules of the probability, the probability of spinning the spinner and landing on vowel will be = 

Now probability of spinning the spinner and not landing on a vowel will be 
P(E)' = 

Option C. 
 is the answer.
 is the answer.